Achnanthes brevipes C.Agardh, 1824 (additional source)
Achnanthes curvirostrum J.Brun, 1895 (basis of record)
Achnanthes danica (Flögel) Grunow in Cleve & Grunow, 1880 (additional source)
Achnanthes delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (additional source)
Achnanthes longipes C.Agardh, 1824 (additional source)
Actinocyclus divisus (Grunow) Hustedt, 1958 accepted as Coscinodiscus divisus var. divisus Grunow, 1878 (additional source)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinoptychus splendens (Shadbolt) Ralfs ex Pritchard, 1861 (additional source)
Amphiprora alata (Ehrenberg) Kützing, 1844 accepted as Entomoneis alata (Ehrenberg) Ehrenberg, 1845 (additional source)
Amphiprora gigantea Grunow, 1860 (additional source)
Amphora acuta Gregory, 1857 (additional source)
Amphora angularis Gregory, 1855 accepted as Halamphora angularis (Gregory) Levkov, 2009 (additional source)
Amphora angusta Gregory, 1857 (additional source)
Amphora arenaria Donkin, 1858 (additional source)
Amphora bigibba Grunow ex A.Schmidt, 1875 (additional source)
Amphora coffeaeformis (C.Agardh) Kützing, 1844 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009 (additional source)
Amphora costata W.Smith, 1853 accepted as Halamphora costata (W.Smith) Levkov, 2009 (additional source)
Amphora crassa Gregory, 1857 (additional source)
Amphora decussata Grunow, 1877 accepted as Tetramphora decussata (Grunow, 1877) Stepanek & Kociolek, 2016 (additional source)
Amphora egregia Ehrenberg, 1861 (basis of record)
Amphora exigua Gregory, 1857 accepted as Halamphora exigua (Gregory) Levkov, 2009 (additional source)
Amphora exsecta Grunow in Schmidt et al., 1875 (basis of record)
Amphora fluminensis Grunow, 1863 (additional source)
Amphora fusca A.Schmidt, 1875 (additional source)
Amphora gigantea Grunow (additional source)
Amphora graeffii Cleve (basis of record)
Amphora grevilleana Gregory, 1857 (additional source)
Amphora hyalina Kützing, 1844 accepted as Halamphora hyalina (Kützing) Rimet & R. Jahn in Rimet et al., 2018 (additional source)
Amphora inflata Grunow, 1875 (basis of record)
Amphora javanica A.W.F.Schmidt (basis of record)
Amphora laevis Gregory, 1857 (additional source)
Amphora lyrata Gregory, 1857 (additional source)
Amphora marina W.Smith, 1857 (additional source)
Amphora mexicana Schmidt (basis of record)
Amphora obtusa W.Gregory, 1857 (additional source)
Amphora ocellata Donkin, 1861 (additional source)
Amphora oculus A.W.F.Schmidt (basis of record)
Amphora ovalis (Kützing) Kützing, 1844 (additional source)
Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875 (additional source)
Amphora proteus Gregory, 1857 (additional source)
Amphora rhombica Kitton, 1876 accepted as Tetramphora rhombica (Kitton in Schmidt, 1876) Stepanek & Kociolek, 2016 (additional source)
Amphora robusta Gregory, 1857 (additional source)
Amphora schmidtii Grunow (basis of record)
Amphora spectabilis Gregory, 1857 (additional source)
Amphora tenerrima Aleem & Hustedt, 1951 (additional source)
Amphora terroris Ehrenberg, 1853 accepted as  (additional source)
Amphora turgida Gregory, 1857 accepted as Halamphora turgida (Gregory) Levkov, 2009 accepted as Amphora turgida var. turgida Gregory, 1857 (additional source)
Asterionella notata Grunow ex Van Heurck, 1881 accepted as Asterionella bleakeleyi var. notata Grunow, 1867 (additional source)
Asterionellopsis glacialis (Castracane) Round, 1990 accepted as Asterionella glacialis Castracane, 1886 (additional source)
Asterolampra marylandica Ehrenberg, 1844 (additional source)
Asteromphalus brookei J.W.Bailey (basis of record)
Asteromphalus flabellatus (Brébisson) Greville, 1859 (additional source)
Asteromphalus heptactis (Brébisson) Ralfs, 1861 (additional source)
Auliscus punctatus Bailey (basis of record)
Auliscus sculptus (W.Smith) Brightwell, 1860 accepted as Eupodiscus sculptus W.Smith, 1853 (additional source)
Azpeitia africana (Janisch ex Schmidt) G. Fryxell & T. P. Watkins in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus africanus var. africanus Janisch in Schmidt et al., 1878 (basis of record)
Azpeitia neocrenulata (VanLandingham) G. Fryxell & T.P. Watkins in Fryxell, Sims & Watkins, 1986 accepted as Coscinodiscus neocrenulatus var. neocrenulatus VanLandingham, 1968 (basis of record)
Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986 (additional source)
Bacillariophyta (additional source)
Bacteriastrum comosum J.Pavillard, 1916 (additional source)
Bacteriastrum delicatulum Cleve, 1897 (additional source)
Bacteriastrum elongatum Cleve, 1897 (additional source)
Bacteriastrum furcatum Shadbolt, 1854 (additional source)
Bacteriastrum hyalinum Lauder, 1864 (additional source)
Bacteriastrum mediterraneum J.Pavillard, 1916 (basis of record)
Bellerochea malleus (Brightwell) Van Heurck, 1885 (additional source)
Berkeleya rutilans (Trentepohl ex Roth) Grunow, 1880 (additional source)
Biddulphia antediluviana (Ehrenberg) Van Heurck, 1885 (additional source)
Biddulphia biddulphiana (J.E.Smith) Boyer, 1900 (additional source)
Biddulphia dubia (T.Brightwell) Cleve, 1883 accepted as Pseudictyota dubium (Brightwell) P.A. Sims & D. M. Williams in Sims et al., 2018 (basis of record)
Biddulphia granulata Roper, 1859 † accepted as Cerataulus granulatus (Roper) P.A. Sims & D.M. Williams, 2018 † (additional source)
Biddulphia obtusa (Kützing) Ralfs, 1861 accepted as Odontella obtusa Kützing, 1844 (additional source)
Biddulphia reticulum (Ehrenberg) Boyer, 1900 accepted as Triceratium reticulum f. reticulum Ehrenberg, 1844 (additional source)
Biddulphia tridens (Ehrenberg) Ehrenberg, 1841 (basis of record)
Biddulphia tuomeyi (J.W.Bailey) Roper, 1859 (basis of record)
Biremis ambigua (Cleve) D.G.Mann, 1990 accepted as Pinnularia ambigua var. ambigua Cleve, 1895 (basis of record)
Caloneis liber (W.Smith) Cleve, 1894 (additional source)
Caloneis linearis (Grunow) Boyer, 1927 accepted as Navicula linearis Grunow, 1860 (additional source)
Caloneis permagna (Bailey) Cleve, 1894 (additional source)
Caloneis westii (W.Smith) Hendey, 1964 (additional source)
Campylodiscus adornatus Schmidt in Schmidt et al., 1877 (basis of record)
Campylodiscus biangulatus Greville, 1862 (additional source)
Campylodiscus crebrecostatus Greville (basis of record)
Campylodiscus ecclesianus Greville (basis of record)
Campylodiscus echeneis Ehrenberg ex Kützing, 1844 accepted as Coronia echeneis (Ehrenberg ex Kützing) Ehrenberg, 1912 (additional source)
Campylodiscus hodgsonii W.Smith, 1853 (additional source)
Campylodiscus incertus Schmidt in Schmidt et al., 1875 (basis of record)
Campylodiscus intermedius Grunow in Schmidt et al., 1875 (basis of record)
Campylodiscus ralfsii W.Smith, 1853 (additional source)
Campylodiscus triumphans Schmidt in Schmidt et al., 1875 (basis of record)
Campylosira cymbelliformis (A.Schmidt) Grunow ex Van Heurck, 1885 (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Cerataulus smithii Ralfs ex Pritchard, 1861 (additional source)
Chaetoceros anastomosans Grunow, 1882 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros borealis Bailey, 1854 (additional source)
Chaetoceros brevis F.Schütt, 1895 (additional source)
Chaetoceros castracanei Karsten, 1905 (additional source)
Chaetoceros cinctus Gran, 1897 (additional source)