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WoRMS taxon details

Unreviewed: has not been verified by a taxonomic editorPleurosigmataceae Mereschkowsky, 1903 
AphiaID: 149032

Classification: Biota > Checked: verified by a taxonomic editorChromista (Kingdom) > Checked: verified by a taxonomic editorHarosa (Subkingdom) > Checked: verified by a taxonomic editorHeterokonta (Infrakingdom) > Checked: verified by a taxonomic editorOchrophyta (Phylum) > Checked: verified by a taxonomic editorKhakista (Subphylum) > Checked: verified by a taxonomic editorBacillariophyceae (Class) > Unreviewed: has not been verified by a taxonomic editorBacillariophycidae (Subclass) > Unreviewed: has not been verified by a taxonomic editorBacillariophycanae (Superorder) > Unreviewed: has not been verified by a taxonomic editorNaviculales (Order) > Unreviewed: has not been verified by a taxonomic editorPleurosigmataceae (Family)
Status accepted
Rank Family
Parent Unreviewed: has not been verified by a taxonomic editorNaviculales
Source  basis of record Round, F.E.; Crawford, R.M.; Mann, D.G. (1990). The diatoms: biology and morphology of the genera. Cambridge University Press: London, UK. ISBN 0-521-363187. 747 pp. (look up in IMIS[details]

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taxa (779)

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Genus Unreviewed: has not been verified by a taxonomic editorArcuatasigma G.Reid, 2012
  » Species Unreviewed: has not been verified by a taxonomic editorArcuatasigma addu G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorArcuatasigma castracanense G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorArcuatasigma challengeriense (Castracane) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorArcuatasigma closterioides (Grunow) G.Reid, 2012
Genus Unreviewed: has not been verified by a taxonomic editorCarinasigma G.Reid, 2012
  » Species Unreviewed: has not been verified by a taxonomic editorCarinasigma angustatum (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCarinasigma latum (E.J.Cox) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCarinasigma rectum (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCarinasigma subangustum (Hustedt) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCarinasigma minuta (Donkin) G.Reid, 2012 (unaccepted, synonym)
Genus Unreviewed: has not been verified by a taxonomic editorCochlearisigma G.Reid, 2012
  » Species Unreviewed: has not been verified by a taxonomic editorCochlearisigma falcatum (Donkin) G.Reid, 2012
  » Variety Unreviewed: has not been verified by a taxonomic editorCochlearisigma falcatum var. adriaticum (Grunow) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCochlearisigma incertum (H.Peragallo) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCochlearisigma maroccanum (Cleve ex H.Paragallo) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCochlearisigma ohsinsinum G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCochlearisigma weissflogii (Grunow) G.Reid, 2012
Genus Unreviewed: has not been verified by a taxonomic editorCostasigma G.Reid, 2012
  » Species Unreviewed: has not been verified by a taxonomic editorCostasigma asiaticum (Tempère ex Van Heurck) G.Reid, 2012 †
» Species Unreviewed: has not been verified by a taxonomic editorCostasigma simmsiae G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorCostasigma staurophorum (Grunow) G.Reid, 2012
Genus Unreviewed: has not been verified by a taxonomic editorDonkinia J. Ralfs in A. Pritchard, 1861
  » Species Unreviewed: has not been verified by a taxonomic editorDonkinia baltica Karsten
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia carinata (Donkin) Ralfs, 1861
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia lipscombensis G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia reticulata Norman, 1861
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia angusta (Donkin) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma angustatum (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia carinata Ralfs accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma carinatum Donkin, 1858
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia compacta (Greville) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorRhoicosigma compactum (Greville) Grunow, 1877
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia lata E.J.Cox, 1983 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma latum (E.J.Cox) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia minuta (Donkin) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma minuta (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia recta (Donkin) Grunow, 1883 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma rectum (Donkin) G.Reid, 2012
  » Variety Unreviewed: has not been verified by a taxonomic editorDonkinia recta var. lorenzii (Grunow) H.Peragallo & M.Peragallo, 1898
» Variety Unreviewed: has not been verified by a taxonomic editorDonkinia recta var. minuta (Donkin) H.Peragallo & M.Peragallo, 1898 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma minuta (Donkin) G.Reid, 2012
» Variety Unreviewed: has not been verified by a taxonomic editorDonkinia recta var. angusta (Donkin) H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorDonkinia recta var. intermedia H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorDonkinia recta var. rostrata Frenguelli, 1938 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorDonkinia recta var. thumii (Cleve in H. Peragallo) Peragallo & Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia antiqua Grove & Sturt, 1887 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia balticum Karsten, 1899 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia cristata (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia didyma (Smith) Carruthers, 1864 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia diversa Ralfs (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia duplex (Donkin) Carruthers, 1864 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia inversa (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia reticulata Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia striata Stüwe, 1909 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia subflexuosa Grunow ex Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorDonkinia thumii H. Peragallo, 1891 (uncertain, unassessed)
Genus Unreviewed: has not been verified by a taxonomic editorGyrosigma A.H. Hassall, 1845
  » Species Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. baikalensis Skvortzov, 1937
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. acuminatum (Kützing) Rabenhorst, 1853 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. angustatum Hagelstein, 1939 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. curta Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. lacustre Meister (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. lacustre (W. Smith) Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. neglectum McCall, 1933 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. okamurae (Skvortzow) Skvortzow & Noda, 1971 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum var. spenceri Kirejeva, 1929 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma algoris J.R.Carter, 1981
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma arcticum (Cleve) Cleve, 1894
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma arcticum var. arcticum (Cleve) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma arcticum var. irregularis (H. Peragallo) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma arcticum var. subflexuosa (Grunow ex Cleve) F.W. Mills, 1934 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. hippocampus Schulz, 1926 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. scalprum (Gaillon) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma scalprum (Gaillon) Sterrenburg, 2007
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum f. attenuatum (Kützing) Cleve, 1894 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum f. hippocampus (W. Smith) Brockmann, 1950 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum f. intermedia Petkoff, 1943 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum f. subbalticum Carlson, 1913 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum f. typica Rabenhorst, 1858 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. antarcticum Frenguelli & Orlando, 1958 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. asiatica Skvortzow, 1938 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. gigas McCall, 1933 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. hippocampus (W. Smith) Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. nipponica Skvortzow, 1936 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum var. typicum Cleve-Euler, 1952 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma baculum W.E.Herwig & F.A.S.Sterrenburg, 2014
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma baikalensis Skvortzov, 1937
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum (Ehrenberg) Rabenhorst, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. brevius Chin & Liu, 1979
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. lorenzii (Grunow) J.Frenguelli & H.A.Orlando, 1958
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. sinense (Ehrenberg) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma sinense (Ehrenberg) Desikachary, 1988
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. turgidum Stidolph, 1981 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma turgidum (Stidolph) Stidolph, 1988
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum f. maeoticum (Pantocsek) Proschkina-Lavrenko, 1963 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. atlanticum W. West, 1912 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. beta Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. diminutum (Grunow) Cardinal, Poulin & Berard-Therriault, 1986 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. incurva Meister, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. maeoticum (Pantocsek) Proschkina-Lavrenko, 1950 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. maximum (Grunow) Woodhead & Tweed, 1958 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. sinensis (Ehrenberg) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum var. sulcata Mereschkowsky, 1902-1903 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma beaufortianum Hustedt, 1955
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma cali G.Reid, 2003
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma coelophilum Okamoto & Nagumo, 2003
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma compactum (Greville) Cleve, 1894
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma compactum var. compactum (Greville) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma compactum var. constricta (Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma concilians (Cleve) Okolodkov, 1989
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma concilians var. constricta Okolodkov, 1989 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma diaphanum Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma diminutum (W.Smith) Cleve
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma diminutum var. constrictum (Grunow) Cleve, 1894
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma diminutum var. constricta (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma diminutum var. diminutum (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum (W.Smith) Griffith & Henfrey, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. diaphanum (Cleve) R.Ross, 1986
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. undulatum McCall, 1933
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. parkeri (M.B.Harrison) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma wormleyi (Sullivant) Boyer, 1922
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. brevirostris Brockmann, 1950 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. brevis Williams, 1962 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. distortum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. marinum Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum var. stauroneioides (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma elongatum W.Smith
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma euhippus F.A.S.Sterrenburg & R.Ross, 1992
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma exilis (Grunow) C.W.Reimer, 1966
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma eximium (Thwaites) Boyer, 1927
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola (Ehrenberg) J.W.Griffith & Henfrey, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. sulcatum (Grunow) Cleve, 1894
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. tenuirostris (Grunow) Cleve, 1894
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. closterioides (Ehrenberg) Mölder & Tynni, 1966 comb. inval. accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola (Ehrenberg) J.W.Griffith & Henfrey, 1856
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. arcuata (Donkin) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. closterioides (Grunow) Proschkina-Lavrenko, 1950 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. fasciola (Ehrenberg) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. genuinum Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. globifera Meister, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. prolongatum (W.Smith) Cleve (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. sulcata (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma floweri G.Reid, 2008
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma fonticola Hustedt
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma gibbosum Ricard, 1975
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma gibbyae G.Reid, 2003
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma grovei (Peragallo) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma hummii Hustedt, 1955
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma krammeri Kociolek, Graef & Lowe, 2010
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma limosum Sterrenburg & Underwood, 1997
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma lineare
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma lineare var. longissimum (Cleve) Cleve
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma lineare var. lineare (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma lineare var. longissima (Cleve) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma littorale (W.Smith) Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma macedonicum Z.Levkov, S.Krstic & T.Nakov, 2007
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma macrum (W.Smith) J.W.Griffith & Henfrey, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma macrum var. macrum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma macrum var. minor Péterfi & Robert, 1958 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma mediterraneum Cleve, 1894
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma mediterraneum var. calcarea (Brun in H. Peragallo) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma mediterraneum var. chinensis Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma mediterraneum var. mediterraneum (Cleve in Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma murphyi G.Reid, 2003
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma nodiferum (Grunow) Reimer, 1966
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma nodiferum var. latum Chin & Liu, 1979
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma obliquum (Grunow) Boyer, 1927
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma obscurum (W.Smith) J.W.Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma obtusatum (Sullivant & Wormley) C.S.Boyer, 1922
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma olhonensis G.Reid, 2008
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma parkeri (Harrison) Elmore, 1921
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma parkeri var. parkeri (Harrison) Elmore, 1921 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma parvulum Hustedt, 1955
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma peisonis (Grunow) Hustedt, 1930
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma plagiostomum (Grunow) Cleve
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma plagiostomum var. indica Meister, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma plagiostomum var. plagiostomum (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma prolongatum (W.Smith) J.W.Griffith & Henfrey, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma prolongatum var. closterioides (Grunow) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorArcuatasigma closterioides (Grunow) G.Reid, 2012
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma prolongatum var. prolongatum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma prolongatum var. typicum Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma prolongatum var. villafrancas Mereschkowsky, 1901 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma reversum (Gregory) Hendey, 1986
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma robustum (Grunow) Cleve, 1894
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma robustum var. inflexa (H. Peragallo) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma robustum var. robustum (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides (Rabenhorst) Cleve, 1894
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides var. eximia (Thwaites) Cleve, 1894 (unaccepted, synonym)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides var. eximium (Thwaites) P.T. Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma eximium (Thwaites) Boyer, 1927
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides var. caimia Schulz, 1926 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides var. curta Mayer, 1916 (1917) (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides var. scalproides (Rabenhorst) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides var. typicum Cleve-Euler, 1952 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma scalprum (Gaillon) Sterrenburg, 2007
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma sinense (Ehrenberg) Desikachary, 1988
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma skvortzovii G.Reid, 2008
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma spathulatum Ricard, 1975
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma spectabile (Grunow) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis (W.Smith) J.W.Griffin & Henfrey, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis var. excentriraphe Chin & Liu, 1979
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis var. capensis (Petit) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis var. smithii (Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis var. strigilis (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis var. tropica (Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma subsalina (H.Peragallo) Frenguelli & Orlando, 1958
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma subsalinum Peragallo
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma subsalinum var. antarctica Frenguelli & Orlando, 1958 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma subsalinum var. subsalinum (H. Peragallo) Frenguelli & Orlando, 1958 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma temperei Cleve, 1893
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuirostrum (Grunow) Cleve-Euler, 1952
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum (W.Smith) Griffith & Henfrey, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. gundulae P.E.Hargraves & F.A.S.Sterrenburg, 2014
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. hyperborea (Grunow in Cleve & Grunow) Cleve; Poulin & Cardinal
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. angustissima Simonsen, 1959 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. latiuscula Mereschkowsky, 1902-1903 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. subtilissima (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum var. tenuissimum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma terryanum (Peragallo) Cleve, 1894
  » Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma terryanum f. fontanum Reimer, 1966
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma tubicolum F.A.S.Sterrenburg & M.A.Tiffany, 2004
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma turgidum (Stidolph) Stidolph, 1988
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma variipunctatum Hagelstein, 1939
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma variistriatum Hagelstein, 1939
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma virgata (Roper) Grunow, 1877
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma virgata var. capitellata Hustedt, 1930
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma virgata var. virgata
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma vivax (W.Smith) M.Peragallo, 1908
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma wansbeckii (Donkin) Cleve, 1894
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma wansbeckii var. minuta Cardinal, Poulin & Berard-Therriault, 1986 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma wansbeckii var. peisonis (Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma wansbeckii var. subsalinum Mereschkowsky, 1902 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma wansbeckii var. wansbeckii (Donkin) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma wormleyi (Sullivant) Boyer, 1922
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma aestuarii (Brébisson ex Kützing) Griffith & Henfrey, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii (Brébisson ex Kützing) W.Smith, 1853
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma angustum (Donkin) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma angustatum (Donkin) G.Reid, 2012
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma angustum var. angustum (Donkin) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma angustum var. subflexuosa (Grunow ex Cleve) F.W. Mills, 1934 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma angustum var. sumatrana Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma cloterioides (Grunow) G.Reid, 2004 accepted as Unreviewed: has not been verified by a taxonomic editorArcuatasigma closterioides (Grunow) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma delicatulum (W.Smith) Griffith & Henfrey, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma diminutum (Grunow & Grunow), 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma diminutum (W.Smith) Cleve
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma elongatum (W.Smith) G.S.West, 1909 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma elongatum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma elongatum (W.Smith) Griffith & Henfrey, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma elongatum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma hippocampus (Ehrenberg) Hassall, 1845 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma kuetzingii (Grunow) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma kuetzingii var. nipponica Skvortzow & Noda, 1971 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma normanii (Ralfs) Mann, 1907 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma normanii Ralfs, 1861
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma normanii var. mahe Karsten, 1907 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma normanii var. normanii (Ralfs in Pritchard) Mann, 1907 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma parkerii (M.B.Harrison) Boyer, 1927 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma wormleyi (Sullivant) Boyer, 1922
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma parkerii var. stauroneoides (Grunow in Cleve & Grunow) Boyer, 1916 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma quinnipiacii (M.Peragallo) Boyer, 1927 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma temperei Cleve, 1893
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma rectum (Donkin) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma rectum (Donkin) G.Reid, 2012
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma rectum var. minimum (Donkin) Cleve
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma rectum var. intermedia (H. Peragallo) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma rectum var. minuta (Donkin) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma rectum var. rectum (Donkin) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma rectum var. thumii (Cleve MS. in H. Peragallo) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri (W.Smith) Griffith & Henfrey, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. nodiferum (Grun. In Cleve & Grun.) Cleve, 1894
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. spenceri
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. exilis (Grunow) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma exilis (Grunow) C.W.Reimer, 1966
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. nodifera (Grunow) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma nodiferum (Grunow) Reimer, 1966
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. nodifera (Grunow) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma nodiferum (Grunow) Reimer, 1966
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. scalproides (Rabenhorst) H.Peragallo, 1891 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides (Rabenhorst) Cleve, 1894
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri f. arnottii Cleve-Euler in Backman & Cleve-Euler, 1922 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri f. curvula (Ehrenberg) Frenguelli, 1938 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri f. major Cleve-Euler, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri f. nodifera (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri f. spenceri (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. acutiuscula (Grunow in Van Heurck) Skvortzow, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. arnotti (Cleve & Grunow) Schulz, 1926 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. borealis (Grunow in Cleve & Grunow) Schulz, 1926 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. crassum Cleve-Euler, 1922 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. curvulum Bolochontzev, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. kuetzingii Bolochontzev, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. minutula (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. noduliforme Meyer, 1926 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. okamurae Skvortzow, 1937 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. pontica Mereschkowsky, 1901 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. ponticum Mereschkowsky, 1902 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. sinica Skvortzow, 1929 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenceri var. smithii (Grunow in Cleve & Grunow) Frenguelli, 1923 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii (Bailey ex Quekett) Griffith & Henfrey, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii var. curvula (Grunow) Reimer, 1966
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii var. nodifera (Grunow) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma nodiferum (Grunow) Reimer, 1966
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma strigosum (W.Smith) Griffith & Henfrey, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma strigosum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma subangustum Hustedt, 1955 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma subangustum (Hustedt) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma aestuarium Kisselev, 1925 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma agellus (Ehrenberg) Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma angulatum (Quekett) Griffith & Henfrey (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma angulatum var. angulatum Griffith & Henfrey, 1856 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma angulatum var. beta Griffith & Henfrey, 1860 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma angulatum var. gamma Griffith & Henfrey, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma apula Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma arcutum (Donkin) Sterrenburg in Jahn, R., Sterrenburg, F.A.S. & Kusber, W.-H. (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuata (Kützing) Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma baicalense (uncertain, unassessed)
  » Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma baicalense f. minus Komarenko, 1957 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma baicalense f. minus Komarenko in Komarenko & Vasilyeva, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma baileyi (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma baltica (uncertain, unassessed)
  » Forma Unreviewed: has not been verified by a taxonomic editorGyrosigma baltica f. baltica (Ehrenberg) Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma bennettii (M. Peragallo in Tempère & Peragallo) Boyer, 1927 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma bhusavalensis Sarode & Kamat, 1984 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma bigibbum Zanon, 1949 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma caffra Giffen, 1963 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma calaritanum Zanon, 1948 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma closterioides (Grunow) G. Reid (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma constrictum Volkov, 1936 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma contortum Mereschkowsky, 1902 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma contortum var. tenuissimum Mereschkowsky, 1902 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma crassum Meister, 1934 (1935) (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma curvulum Rabenhorst, 1853 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma curvulum var. curvulum (Van Heurck) W. West (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma cuspidata Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma decorum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma dissimilis Y. A. Mikishin, 1991 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma distortoides Manguin, 1952 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma diversitatum Giffen, 1970 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma dubia Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma dubium Meister, 1934 (1935) (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma elegans Ricard, 1975 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma elegans var. recurvum Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma evanescens Cardinal, Poulin & Bérard-Therriault, 1986 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma excentricum Prowse, 1962 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma eximoides Rivera, 1974 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma exoticumoides Negoro & Gotoh, 1983 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma fascicola Gordienko, 1931 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma febigeri (Grunow in Cleve & Möller) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma fenestriata Meister, 1932 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma fogedii Stidolph, 1994 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma foliaceum Pogrebnyak, 1960 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma fonticolum Hustedt, 1938 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma formosum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma foxtonia Stidolph, 1988 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma glaciale (Cleve) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma gruendleri (Grunow in Cleve & Grunow) F.W. Mills, 1934 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma hankensis Skvortzow, 1929 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma hassallii Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma hudsonii Poulin & Cardinal, 1982 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma incompta Hohn & Hellerman, 1966 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma inflatum Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma intermedium (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma intermedium var. nubecula (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma irregulare F.W. Mills, 1934 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma itaparicanum (Zimmermann) Andrade & Teixeira, 1957 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma itaparicanum (Zimmermann) Andrade & Teixeira, 1857 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma kazachstanicum N.I. Strelnikova & J.P. Kociolek in Strelnikova, Kociolek & Fourtanier, 2006 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma khandeshensis Sarode & Kamat, 1984 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma kolbei Skvortzow, 1971 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma kolbei Skvortzow, 1969 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma kolbei var. ienniseiensis Skvortzow, 1969 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma kolbei var. jeneseyensis Skvortzow, 1971 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma kolbei var. obtusa Skvortzow, 1971 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma kolbei var. obtusa Skvortzow, 1969 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma lacustre (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma lamprocampa Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma lanceolatum Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma litorale (W. Smith) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma lucianum Cholnoky, 1968 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma maharashtrensis Sarode & Kamat, 1984 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma marginatum Voigt, 1969 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma moresbyana Reichardt, 1988 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma naviculaceum (Brebisson) Griffith & Henfrey, 1875 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma nipkowii Meister, 1932 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma nipponica (Skvortzow) Skvortzow & Noda, 1971 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma nubecula Griffith & Henfrey, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma pallidum Riznyk, 1973 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma parvuloides Cholnoky, 1961 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma pensacolae Sterrenburg, 1995 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma procerum Hustedt, 1956 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma pseudokuetzingii Kobayasi in Kobayasi & Ando, 1977 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma quadratum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma rapsonii Cholnoky, 1959 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma reimeri Sterrenburg, 1994 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma reversum Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma rigidum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma sagitta (Tempère & Brun in Brun & Tempère) Mann, 1907 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma scalpellum Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma sinensis (Ehrenberg) Desikachary, 1988 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma speciosum (W. Smith) Griffith & Henfrey, 1856 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma speciosum var. pulchrum (Grunow) Cleve
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii Cleve, 1895 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii var. halophila Gaud, 1974 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii var. nodifera auct. non Grunow (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spencerii var. smithii (Grunow) Cleve-Euler, 1952 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma spenserii (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma spenserii var. biwensis Skvortzow & Noda, 1971 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma sterrenburgii Stidolph, 1992 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma stidolphii Sterrenburg, 1992 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma stompsii Cholnoky, 1963 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma stuxbergii (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma stuxbergii var. rhomboides Usachev, 1946 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma stuxbergii var. stuxbergii Shirshov, 1937 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma subsalsum (Wislouch & Kolbe) Cardinal, Poulin & Berard-Therriault, 1986 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma sulcatum (Grunow in Cleve & Grunow) Frenguelli, 1938 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma sulcatum (Grunow) Heiden in Heiden & Kolbe, 1928 (uncertain, unassessed)
  » Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma sulcatum var. sulcatum (Grunow in Cleve & Grunow) (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma sulcatum var. tenuirostris (Grunow in Cleve & Grunow) (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorGyrosigma sulcatum var. tenuirostris (Grunow) Heiden in Heiden & Kolbe, 1928 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma surirella Pervolf, 1953 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma thuringica (Kützing) Rabenhorst, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma transversale (W. Smith) Griffith & Henfrey, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma turgida (Stidolph) Stidolph, 1988 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma uncinatum Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorGyrosigma waitangiana Stidolph, 1993 (uncertain, unassessed)
Genus Unreviewed: has not been verified by a taxonomic editorHyalosigma N.I. Strelnikova & J.P. Kociolek in Strelnikova, Kociolek & Fourtanier, 2006 †
  » Species Unreviewed: has not been verified by a taxonomic editorHyalosigma temniskovae-topalovae N.I.Strelnikova & J.P.Kociolek, 2006 †
Genus Unreviewed: has not been verified by a taxonomic editorPleurosigma W. Smith, 1852
  » Species Unreviewed: has not been verified by a taxonomic editorPleurosigma acus A.Mann, 1925
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum Norman ex Ralfs, 1861
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum var. latum Chin & Liu, 1979
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum f. brasiliana Müller-Melchers, 1955 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum var. acutum Norman ex Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum var. australicum Grunow in Cleve & Möller, 1882 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum var. japonicum H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma acutum var. pelagicum H. Peragallo manus. ex H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii (Brébisson ex Kützing) W.Smith, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. minutum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma malmoensis G.Reid, 2001
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. aestuarii (Brébisson in Kützing) W. Smith, 1853 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. candida (Schumann) H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. delicata Meister, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. intermedia Grunow, 1867 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. lanceolata Wislouch, 1924 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii var. minuta (Grunow in Cleve & Möller) Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum (Queckett) W.Smith, 1852
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. falcatum Liu & Chin, 1979
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. minutum (Grunow) McCall, 1933
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. quadratum (W.Smith) Van Heurck, 1885
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. minutum (Grunow) De Toni, 1891 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma malmoensis G.Reid, 2001
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. salinarum (Grunow) De Toni, 1891 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma salinarum (Grunow) Grunow, 1880
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. strigosum (W.Smith) Van Heurck, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. strigosum (W.Smith) Van Heurck, 1885
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. aestuarii (Brébisson) van Heurck, 1885 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma aestuarii (Brébisson ex Kützing) W.Smith, 1853
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. delicatulum (W.Smith) van Heurck, 1885 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum W.Smith, 1852
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. elongatum (W.Smith) van Heurck, 1885 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma elongatum W.Smith, 1852
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. strigosum (W.Smith) Van Heurck, 1885 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma strigosum W.Smith, 1852
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. angulatum (Quekett) W. Smith, 1852 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. chemburiana Gonzalves & Gandhi, 1953 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. fallax (Grunow in Cleve & Grunow) De Toni, 1891 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. finmarchicum Meyer, 1938 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. gracile (Grunow) De Toni, 1891 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. hyalinum (Grunow) De Toni, 1891 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. intermedium (Grunow) De Toni, 1891 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. javanicum De Toni (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. karianum (Grunow in Cleve & Grunow) De Toni, 1891 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. major Van Heurck (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. major Truan y Luard, 1884 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. minor Rabenhorst, 1864 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. minor Cleve & Möller, 1878 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum f. undulatum (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. aestuarii Meunier, 1915 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. beta W. Smith, 1852 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. convexum (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. fallax (Grunow in Cleve & Grunow) De Toni, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. finmarchica (Cleve in Cleve & Moller; Cleve ex Grunow) H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. finmarchica (Cleve) Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. gamma W. Smith, 1852 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. genuinum Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. javanicum Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. major (Grunow in Van Heurck) Van Heurck, 1896 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. quadratum Meunier, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. robustum McCall, 1933 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. strigosa (W. Smith) Van Heurck, 1885 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. thuringicum (Kützing) Schonfeldt, 1907 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma angulatum var. undulata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma carinatum Donkin, 1858
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei Grunow, 1880
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei var. clevei Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei var. cornuta Grunow ex Cleve, 1894 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei var. fossilis Brun ex H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei var. genuinum Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei var. manitounukensis Poulin & Cardinal, 1982 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma clevei var. sibirica Grunow in Cleve & Möller, 1882 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma cuspidatum (Cleve) H.Peragallo, 1891
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma cuspidatum var. cuspidatum (Cleve) H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma cuspidatum Cleve
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma cuspidatum var. rostratum Proschkina-Lavrenko, 1963 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum W.Smith, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. adriaticum Tempère & Peragallo, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. americanum H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. dalmatica Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. dalmaticum sensu H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. decorum W. Smith, 1853 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. inflatum H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma decorum var. quebecensis Cardinal, Poulin & Berard-Therriault, 1986 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum W.Smith, 1852
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. salinarum Grunow, 1878 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma salinarum (Grunow) Grunow, 1880
» Forma Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum f. minor Schulz, 1926 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. africana Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. americana Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. clevei (Grunow in Cleve & Grunow) H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. delicatulum W. Smith, 1852 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. elegantissimum (Castracane) H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. genuinum Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. gracile McCall, 1933 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. hyalina Grunow, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. kariana Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. macilentum H. Peragallo, 1891 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma delicatulum var. obtusiuscula Grunow ex Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma diminutum Grunow, 1880
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma diminutum var. constrictum Grunow
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma diminutum var. constricta (Grunow in Cleve & Grunow) H. Peragallo & M. Peragallo, 1898 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma diminutum var. diminutum Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma diminutum var. rigida M. Peragallo, 1904 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma directum Grunow, 1880
  » Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma directum var. directum Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorPleurosigma directum var. membranacea Subrahmanyan, 1946 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma elongatum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma eudon
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma exsul Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma falx Mann, 1925
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma fasciolum
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma formosum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma frenguellianum Sunesen, Sterrenburg & Sar, 2014
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gracilitatis Sterrenburg, Meave & Tiffany, 2003
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gruendleri Grunow, 1880
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma guarreranum E.A.Sar, F.A.S.Sterrenburg & I.Sunesen, 2013
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hamuliferum Brun, 1889
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hinzianum Sterrenburg, Sunesen & Sar, 2014
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma inscriptura M.A.Harper, 2009
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma intermedium W.Smith, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma lanceolatum Donkin, 1858
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma longinum W.Smith ex Brightwell, 1859
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma longum Cleve, 1873
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma lorenzii Grunow, 1860
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma major Liu & Chin, 1980
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma majus (Grunow) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma malmoensis G.Reid, 2001
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma mamoranqii G.Reid, 2001
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma marinum Donkin, 1858
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma naviculaceum Brébisson, 1854
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma negoroi T.Gotoh, 1994
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma nicobaricum Grunow, 1880
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma normanii Ralfs, 1861
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma obtusum Mann, 1925
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma pelagicum (H.Peragallo) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma perthense J.John, 1983
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma planctonicum Cleve-Euler, 1952
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma portoricense Hagelstein, 1939
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma pulchrum Grunow, 1860
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rahlehense G.Reid
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rhombeum Grunow, 1880
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rigidum W.Smith, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rostratum Hustedt, 1955
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rushdyense G.Reid
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma salinarum (Grunow) Grunow, 1880
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma simonsenii Hasle, 1990
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma speciosum W.Smith
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spenceri (Bailey ex Quekett) W.Smith, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spencerii Grunow
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma strigosum W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma stuxbergii Cleve & Grunow, 1880
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tahitianum Ricard, 1975
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma validum Shadbolt
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma williamsii G.Reid
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma acuminatum (Kützing) W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma acuminatum (Kützing) Grunow, 1860 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma affine Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma normanii Ralfs, 1861
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma allenuatum accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma attenuatum (Kützing) W.Smith, 1852
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma angustum Donkin, 1858 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma angustatum (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma attentuatum (Kützing) W.Smith accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma attenuatum (Kützing) W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma balticum (Ehrenberg) W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma balticum (Ehrenberg) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma boyeri Keeley, 1925 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma salinarum var. boyeri (Keeley) Reimer, 1966
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma brebissonii Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma compactum Greville, 1857 accepted as Unreviewed: has not been verified by a taxonomic editorRhoicosigma compactum (Greville) Grunow, 1877
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma distortum W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma distortum (W.Smith) Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma eximium (Thwaites) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma eximium (Thwaites) Boyer, 1927
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma falcatum Donkin, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorCochlearisigma falcatum (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma fasciola (Ehrenberg) W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola (Ehrenberg) J.W.Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma giganteum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma rigidum var. giganteum (Grunow Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gracilentum Rabenhorst, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hippocampus W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma attenuatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma japonicum Castracane, 1886 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma naviculaceum Brébisson, 1854
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma kuetzingii Grunow, 1860 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma littorale W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma littorale (W.Smith) Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma macrum W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma macrum (W.Smith) J.W.Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma maroccanum (Cleve ex H.Peragallo) Cleve, 1894 accepted as Unreviewed: has not been verified by a taxonomic editorCochlearisigma maroccanum (Cleve ex H.Paragallo) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma minutum Donkin, 1858 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma minuta (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma nodiferum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma nodiferum (Grunow) Reimer, 1966
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma nubecula W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma intermedium W.Smith, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma obscurum W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma obscurum (W.Smith) J.W.Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma obtusatum W.S.Sullivant & Wormley, 1859 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma obtusatum (Sullivant & Wormley) C.S.Boyer, 1922
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma parkeri Harrison, 1860 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma wormleyi (Sullivant) Boyer, 1922
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma peisonis Grunow, 1860 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma peisonis (Grunow) Hustedt, 1930
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma planctonicum R.Simonsen, 1974 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma simonsenii Hasle, 1990
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma prolongatum W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma prolongatum (W.Smith) J.W.Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma pusillum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma salinarum (Grunow) Grunow, 1880
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma quadratum W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma quininpiaceii M.Peragallo, 1908 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma temperei Cleve, 1893
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rectum Donkin, 1858 accepted as Unreviewed: has not been verified by a taxonomic editorCarinasigma rectum (Donkin) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma reticulatum (Norman) Hustedt, 1955 accepted as Unreviewed: has not been verified by a taxonomic editorDonkinia reticulata Norman, 1861
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma robustum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma robustum (Grunow) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma scalproides Rabenhorst, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma scalproides (Rabenhorst) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma scalprum (Gaillon) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma scalprum (Gaillon) Sterrenburg, 2007
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma simile Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sinensis (Ehrenberg) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma sinense (Ehrenberg) Desikachary, 1988
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spectabile Grunow, 1891 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma spectabile (Grunow) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spencerii (Bailey ex Quekett) W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma acuminatum (Kützing) Rabenhorst, 1853
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma staurophorum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorCostasigma staurophorum (Grunow) G.Reid, 2012
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma strigilis W.Smith, 1852 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma strigilis (W.Smith) J.W.Griffin & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sulcatum Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma fasciola var. sulcatum (Grunow) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma temperei (Cleve) M.Peragallo, 1903 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma temperei Cleve, 1893
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tenuissimum W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma tenuissimum (W.Smith) Griffith & Henfrey, 1856
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma terryanum H.Peragallo, 1891 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma terryanum (Peragallo) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma transversale W.Smith accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma naviculaceum Brébisson, 1854
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma wansbeckii Donkin, 1858 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma wansbeckii (Donkin) Cleve, 1894
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma wormleyi W.S.Sullivant, 1859 accepted as Unreviewed: has not been verified by a taxonomic editorGyrosigma wormleyi (Sullivant) Boyer, 1922
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma abruptum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma acuminatum sensu W. Smith, 1853 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma aequatoiale Cleve in Cleve & Moller, 1878 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma agellus Ralfs (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma akbecula Derjugin, 1928 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma americanum (H. Peragallo) Boyer, 1927 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma angulare Cleve (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma angusticonvexum Hagelstein, 1939 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma antarcticum Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma antillarum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma apulum (Rabenhorst) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma arafurense Castracane, 1886 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma atlanticum Frenguelli, 1928 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma atlanticum Heiden & Kolbe, 1928 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma australicum Witt, 1873 accepted as Unreviewed: has not been verified by a taxonomic editorPleurosigma formosum W.Smith, 1852 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma baileyi Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma balearicum Cleve & Grunow in Cleve & Moller, 1878 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma balearicum Cleve & Grunow in Rodrígues y Femenías, 1889 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma balticosinense Schwarz, 1874 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma bennettii M. Peragallo in Tempère & Peragallo, 1909 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma biharense Pantocsek, 1892 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma bistriatum Schumann, 1867 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma brasiliana Müller-Melchers, 1957 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma brasiliense Zimmermann, 1918 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma brunii Cleve ex H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma candidum Schumann, 1867 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma capense Petit, 1876 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma capense Karsten, 1905 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma chandolensis H.P. Gandhi, 1998 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma chilensis Hustedt & Krasske in Krasske, 1941 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma constrictum Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma convexum (Grunow in Cleve & Grunow) H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma crassum Meister, 1932 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma curiosa van den Heuvel in Sterrenburg, 1991 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma curvulum (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma cuspidatum (Rabenhorst) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma dalmaticum (Grunow) Grunow in Rodrígues y Femenías, 1889 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma densestriata Gandhi, 1967 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma depauperana Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma diaphanum (Cleve; Cleve) F.W. Mills, 1934 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma directumsecundum Karsten, 1905 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma distinguendum Hustedt, 1955 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma diversestriatum Meister, 1934 (1935) (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma divisa (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma dolosum Mann, 1925 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma elegantissimum Castracane, 1886 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma ellipticum M. Peragallo in Tempère & Peragallo, 1913 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma elongatum Auerswald in litt. ed sched. Rabenhorst, 1863 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma excelsum Meister, 1937 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma fallax Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma febigeri Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma finmarchicum Cleve in Cleve & Moller, 1882 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma fissa Jurilj, 1957 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma fluviatile Bening, 1928 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma fossile (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma frigidum Mann, 1937 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma galapagense (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gallicum (Grunow in Van Heurck) H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma glaciale Cleve, 1883 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma glacicolum Simonsen, 1992 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gracile Hustedt, 1955 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gracilescens Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma gracillimum Meister, 1932 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma grovesii Cleve ex H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hassali (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma heros Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hibericum De Toni, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hungaricum Cleve & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hyalinum Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma hyperborea (Grunow in Cleve & Grunow) H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma ibericum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma incertum (H. Peragallo) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma incertum Forti in Tempère & Peragallo, 1914 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma indicum Simonsen, 1974 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma inflatum Shadbolt, 1854 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma italicum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma itaparicanum Zimmermann, 1918 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma itium Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma javanicum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma karianum Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma karstenii Taylor, 1967 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma kerguelense (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma kjellmani (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma kjellmanii Cleve in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma kochii Pantocsek, 1892 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma kowiense Giffen, 1970 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma lamprocampum (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma latiusculum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma lineare Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma longina W. Smith ex Brightwell, 1859 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma longissimum Cleve, 1881 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma longitudinale Mann, 1937 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma maeoticum Pantocsek, 1902 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma makron Johnston, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma manni Hanna & Grant, 1926 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma marylandica (Grunow in Cleve & Grunow) Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma mediterraneum (Cleve in Grunow) (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma minutum Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma mirabile O'Meara, 1872 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma muscicola Krasske, 1948 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma neglectum Karsten, 1899 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma neogradense Pantocsek, 1889 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma normanii sensu Cleve in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma notarisii Castracane, 1865 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma observatoriensis Simonsen, 1992 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma oceanicum (H. Peragallo) F.W. Mills, 1934 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma olympian Terry ex Boyer, 1927 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma olympianum Terry ex Tempère & Peragallo, 1909 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma olympianum Terry ex Boyer, 1927 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma o'mearii (Grunow in Cleve & Grunow) H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma parkerii Harrison, 1960 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma peragalli (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma permagnum Meister, 1932 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma plagiostoma Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma planktonica Schrader in Schrader & Fenner, 1976 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma polymorphianum Thum (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma praelongum Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma prisma Mann, 1925 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma pumilum Schumann, 1867 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma retusum Zimmermann, 1915 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rhomboides (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rigens Mann, 1925 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma rigidulum Ivanov & Eremenko, 1948 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma ryderii M. Peragallo in Tempère & Peragallo, 1909 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sabangi Meister, 1932 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sagitta (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sardoum Zanon, 1948 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma scalpellum Pritchard (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma scalprum sensu Rabenhorst, 1861-1879 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma secundum Karsten, 1905 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma siberica (Grunow) Cardinal, Poulin & Berard-Therriault, 1980 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma signatum Voigt, 1969 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma simplex Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma simum (Ehrenberg; Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sinense (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sinuosum (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma smithianum Castracane, 1886 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma smithii Grunow, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma speciosum sensu Meunier, 1910 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spectabilis Grunow ex Moller, 1868, 1881 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spectrosum Barkas, 1867 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma spinulosum Pantocsek & Greguss in Greguss, 1913 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma staurolineatum Karsten, 1899 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sterrenburgii Stidolph, 1993 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma stidolphii Sterrenburg, 1991 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma striatum Schumann, 1867 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma subrecta (Cleve in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma subrectum Grunow, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma subsalina Peragallo (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma subsalsum Wislouch & Kolbe, 1916 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma subtile (Brébisson in Kutzing) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma suluense Mann, 1925 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma sumatricum H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tahitense Castracane, 1886 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tahitensis Witt, 1873 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tenerum E. Jorgensen, 1905 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tenuiforme C.H. von Quillfeldt, 2000 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tenuirostris Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma thaitiense Castracane, 1886 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma thumii (Castracane ex H. Peragallo) De Toni, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma thumii Cleve ex H. Peragallo, 1891 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma thuringicum (Kützing) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tortuosum Cleve, 1881 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma transylvanicum Pantocsek, 1892 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma tropicum Grunow, 1860 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma umbilicatum Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma vairaense Ricard, 1975 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma virginiacum H.L. Smith, 1877 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma virginica Peticolas, 1877 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma vitrea (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma vitreum sensu Meunier, 1910 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma wansbecki (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma weissflogii (Grunow in Cleve & Grunow) Cleve, 1894 (uncertain, unassessed)
» Species Unreviewed: has not been verified by a taxonomic editorPleurosigma wigginsianum Hendey, 1971 (uncertain, unassessed)
Genus Unreviewed: has not been verified by a taxonomic editorRhoicosigma A. Grunow, 1867
Genus Unreviewed: has not been verified by a taxonomic editorToxonidea A.S. Donkin, 1858

Genus Unreviewed: has not been verified by a taxonomic editorAchnanthosigma L. Reinhard, 1882 accepted as Unreviewed: has not been verified by a taxonomic editorRhoicosigma A. Grunow, 1867
Environment marine
Links Unreviewed: has not been verified by a taxonomic editorTo GenBank  
Unreviewed: has not been verified by a taxonomic editorTo ITIS
LSID urn:lsid:marinespecies.org:taxname:149032
Taxonomic
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Date   action   by
2005-03-30 08:52:46Z  created  db_admin
2008-10-24 09:00:36Z  changed  Guiry, Michael D.
  
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  Citation: WoRMS (2008). Pleurosigmataceae Mereschkowsky, 1903. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=149032 on 2017-04-26
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