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WoRMS taxon details

Spionidae Grube, 1850

913  (urn:lsid:marinespecies.org:taxname:913)

  1. Biota
  2. Animalia (Kingdom)
  3. Annelida (Phylum)
  4. Polychaeta (Class)
  5. Sedentaria (Subclass)
  6. Canalipalpata (Infraclass)
  7. Spionida (Order)
  8. Spioniformia (Suborder)
  9. Spionidae (Family)
accepted
Family
Polydoridae Benham, 1896 · unaccepted (unused at family rank, some...)  
unused at family rank, some informal use downgraded to tribe Polydorini

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  1. Genus Aciculaspio Blake & Ramey-Balci, 2020
    1. Species Aciculaspio anaximanderi Blake & Ramey-Balci, 2020
  2. Genus Amphipolydora Blake, 1983
    1. Species Amphipolydora abranchiata (Hartman, 1953)
    2. Species Amphipolydora vestalis Paterson & Gibson, 2003
  3. Genus Aonidella López-Jamar, 1989
    1. Species Aonidella cirrobranchiata (Day, 1961)
    2. Species Aonidella dayi López-Jamar, 1989
    3. Species Aonidella insolita (Greaves, Meißner & Wilson, 2011)
  4. Genus Aonides Claparède, 1864
    1. Species Aonides californiensis Rioja, 1947
    2. Species Aonides glandulosa Blake, 1996
    3. Species Aonides mayaguezensis Foster, 1969
    4. Species Aonides nodosetosa Storch, 1966
    5. Species Aonides orensanzi Radashevsky, 2015
    6. Species Aonides oxycephala (Sars, 1862)
      1. Subspecies Aonides oxycephala oligobranchia Wu, 1967 in Buzhinskaya, 1971
    7. Species Aonides paucibranchiata Southern, 1914
    8. Species Aonides selvagensis Brito, Nunez & Riera, 2006
    9. Species Aonides trifida Estcourt, 1967
    10. Species Aonides auricularis Claparède, 1864 accepted as Aonides oxycephala (Sars, 1862) (subjective synonym)
    11. Species Aonides diverapoda Hoagland, 1920 accepted as Trochochaeta diverapoda (Hoagland, 1920) (superseded original combination)
    12. Species Aonides fulgens Levinsen, 1884 accepted as Paraonis fulgens (Levinsen, 1884) (superseded original combination)
    13. Species Aonides gracilis Tauber, 1879 accepted as Levinsenia gracilis (Tauber, 1879) (superseded original combination)
  5. Genus Apoprionospio Foster, 1969
    1. Species Apoprionospio dayi Foster, 1969
      1. Subspecies Apoprionospio dayi japonica Imajima, 1989 accepted as Apoprionospio japonica Imajima, 1989 (rank upgrade to species)
    2. Species Apoprionospio japonica Imajima, 1989
    3. Species Apoprionospio pygmaea (Hartman, 1961)
    4. Species Apoprionospio sanguarensis Delgado-Blas & Fonseca-González, 2023
    5. Species Apoprionospio caspersi (Laubier, 1962) accepted as Prionospio caspersi Laubier, 1962 (superseded recombination)
    6. Species Apoprionospio nova (Annenkova, 1938) accepted as Prionospio nova Annenkova, 1938 (superseded recombination)
    7. Species Apoprionospio saldanha (Day, 1961) accepted as Prionospio saldanha Day, 1961 (superseded recombination)
    8. Species Apoprionospio vermillionensis (Fauchald, 1972) accepted as Prionospio vermillionensis Fauchald, 1972 (superseded recombination)
  6. Genus Atherospio Mackie & Duff, 1986
    1. Species Atherospio aestuarii Abe & Kan, 2022
    2. Species Atherospio disticha Mackie & Duff, 1986
    3. Species Atherospio guillei (Laubier & Ramos, 1974)
  7. Genus Aurospio Maciolek, 1981
    1. Species Aurospio abranchiata Neal, Paterson & Soto in Paterson et al., 2016
    2. Species Aurospio banyulensis (Laubier, 1966)
    3. Species Aurospio dibranchiata Maciolek, 1981
    4. Species Aurospio foodbancsia Mincks, Dyal, Paterson, Smith & Glover, 2009
    5. Species Aurospio pilkena (Wilson, 1990)
    6. Species Aurospio tribranchiata Paterson & Soto in Paterson et al., 2016
  8. Genus Australospio Blake & Kudenov, 1978
    1. Species Australospio mokapu Ward, 1981
    2. Species Australospio trifida Blake & Kudenov, 1978
  9. Genus Boccardia Carazzi, 1893
    1. Species Boccardia acus (Rainer, 1973)
    2. Species Boccardia androgyna Read, 1975
    3. Species Boccardia basilaria Hartman, 1961
    4. Species Boccardia berkeleyorum Blake & Woodwick, 1971
    5. Species Boccardia chilensis Blake & Woodwick, 1971
    6. Species Boccardia columbiana Berkeley, 1927
    7. Species Boccardia fleckera Hutchings & Turvey, 1984
    8. Species Boccardia galapagense Blake, 1986
    9. Species Boccardia jubata Rainer, 1973
    10. Species Boccardia knoxi (Rainer, 1973)
    11. Species Boccardia lamellata (Rainer, 1973)
    12. Species Boccardia natrix (Söderström, 1920)
    13. Species Boccardia otakouica Rainer, 1973
    14. Species Boccardia perata (Chlebovitsch, 1959)
    15. Species Boccardia polybranchia (Haswell, 1885)
    16. Species Boccardia proboscidea Hartman, 1940
    17. Species Boccardia pseudonatrix Day, 1961
    18. Species Boccardia pugettensis Blake, 1979
    19. Species Boccardia salazari Delgado-Blas, 2008
    20. Species Boccardia semibranchiata Guérin, 1990
    21. Species Boccardia syrtis (Rainer, 1973)
    22. Species Boccardia tricuspa (Hartman, 1939)
    23. Species Boccardia wellingtonensis Read, 1975
    24. Subgenus Boccardia (Boccardia) Carazzi, 1893 accepted as Boccardia Carazzi, 1893 (disused as nominal subgenus)
      1. Species Boccardia (Boccardia) androgyna Read, 1975 accepted as Boccardia androgyna Read, 1975 (disused nominal subgenus rank)
      2. Species Boccardia (Boccardia) magniovata Read, 1975 accepted as Boccardiella magniovata (Read, 1975) (superseded original combination)
      3. Species Boccardia (Boccardia) wellingtonensis Read, 1975 accepted as Boccardia wellingtonensis Read, 1975 (disused nominal subgenus rank)
    25. Species Boccardia hamata (Webster, 1879) accepted as Boccardiella hamata (Webster, 1879) (superseded subsequent combination)
    26. Species Boccardia ligerica Ferronnière, 1898 accepted as Boccardiella ligerica (Ferronnière, 1898) (superseded original combination)
    27. Species Boccardia limnicola Blake & Woodwick, 1976 accepted as Boccardiella limnicola (Blake & Woodwick, 1976) (superseded original combination)
    28. Species Boccardia magniovata Read, 1975 accepted as Boccardiella magniovata (Read, 1975) (unaccepted > superseded combination, superseded subsequent combination (dismissing subgenus))
    29. Species Boccardia redeki (Horst, 1920) accepted as Boccardiella ligerica (Ferronnière, 1898) (superseded combination of subjective synonym)
    30. Species Boccardia truncata Hartman, 1936 accepted as Boccardiella truncata (Hartman, 1936) (superseded original combination)
    31. Species Boccardia uncata Berkeley, 1927 accepted as Boccardiella hamata (Webster, 1879) (subjective synonym)
    32. Subgenus Boccardia (Paraboccardia) (Rainer, 1973) represented as Boccardia Carazzi, 1893 (disused as subgenus)
      1. Species Boccardia (Paraboccardia) acus (Rainer, 1973) represented as Boccardia acus (Rainer, 1973)
      2. Species Boccardia (Paraboccardia) knoxi (Rainer, 1973) represented as Boccardia knoxi (Rainer, 1973)
      3. Species Boccardia (Paraboccardia) lamellata (Rainer, 1973) represented as Boccardia lamellata (Rainer, 1973)
      4. Species Boccardia (Paraboccardia) syrtis (Rainer, 1973) represented as Boccardia syrtis (Rainer, 1973)
  10. Genus Boccardiella Blake & Kudenov, 1978
    1. Species Boccardiella bihamata Blake & Kudenov, 1978
    2. Species Boccardiella hamata (Webster, 1879)
    3. Species Boccardiella ligerica (Ferronnière, 1898)
    4. Species Boccardiella limnicola (Blake & Woodwick, 1976)
    5. Species Boccardiella magniovata (Read, 1975)
    6. Species Boccardiella occipitalis Blake, 1983
    7. Species Boccardiella truncata (Hartman, 1936)
  11. Genus Carazziella Blake & Kudenov, 1978
    1. Species Carazziella calafia Blake, 1979
    2. Species Carazziella carrascoi Blake, 1979
    3. Species Carazziella citrona (Hartman, 1941)
    4. Species Carazziella hirsutiseta Blake & Kudenov, 1978
    5. Species Carazziella hobsonae Blake, 1979
    6. Species Carazziella hymenobranchiata Blake & Kudenov, 1978
    7. Species Carazziella patagonica Blake, 1979
    8. Species Carazziella phillipensis Blake & Kudenov, 1978
    9. Species Carazziella proberti Blake, 1984
    10. Species Carazziella quadricirrata (Rainer, 1973)
    11. Species Carazziella reishi (Woodwick, 1964)
    12. Species Carazziella victoriensis Blake & Kudenov, 1978
  12. Genus Dipolydora Verrill, 1881
    1. Species Dipolydora aciculata (Blake & Kudenov, 1978)
    2. Species Dipolydora akaina Blake, 1996
    3. Species Dipolydora alborectalis (Radashevsky, 1993)
    4. Species Dipolydora anatentaculata Delgado-Blas, 2008
    5. Species Dipolydora anoculata Moore, 1907
    6. Species Dipolydora antonbruunae (Blake, 1983)
    7. Species Dipolydora armata (Langerhans, 1880)
    8. Species Dipolydora barbilla (Blake, 1981)
    9. Species Dipolydora bidentata (Zachs, 1933)
    10. Species Dipolydora bifurcata (Blake, 1981)
    11. Species Dipolydora blakei (Maciolek, 1984)
    12. Species Dipolydora capensis (Day, 1955)
    13. Species Dipolydora cardalia (Berkeley, 1927)
    14. Species Dipolydora carunculata (Radashevsky, 1993)
    15. Species Dipolydora caulleryi (Mesnil, 1897)
    16. Species Dipolydora coeca (Örsted, 1843)
    17. Species Dipolydora commensalis (Andrews, 1891)
    18. Species Dipolydora concharum (Verrill, 1879)
    19. Species Dipolydora contoyensis Delgado-Blas, 2008
    20. Species Dipolydora convexa (Blake & Woodwick, 1972)
    21. Species Dipolydora echinata Radashevsky, 2022
    22. Species Dipolydora elegantissima (Blake & Woodwick, 1972)
    23. Species Dipolydora flava (Claparède, 1870)
    24. Species Dipolydora giardi (Mesnil, 1893)
    25. Species Dipolydora goreensis (Augener, 1918)
    26. Species Dipolydora hartmanae (Blake, 1971)
    27. Species Dipolydora huelma Sato-Okoshi & Takatsuka, 2001
    28. Species Dipolydora keulderae Simon, 2011
    29. Species Dipolydora langerhansi (Mesnil, 1896)
    30. Species Dipolydora magellanica (Blake, 1983)
    31. Species Dipolydora melanopalpa Manchenko & Radashevsky, 2002
    32. Species Dipolydora normalis (Day, 1957)
    33. Species Dipolydora notialis (Blake & Kudenov, 1978)
    34. Species Dipolydora paracaulleryi Meißner, Bick, Guggolz & Götting, 2014
    35. Species Dipolydora peristomialis (Hartman, 1976)
    36. Species Dipolydora pilikia (Ward, 1981)
    37. Species Dipolydora pilocollaris (Blake & Kudenov, 1978)
    38. Species Dipolydora protuberata (Blake & Kudenov, 1978)
    39. Species Dipolydora quadrilobata (Jacobi, 1883)
    40. Species Dipolydora saintjosephi (Eliason, 1920)
    41. Species Dipolydora socialis (Schmarda, 1861)
    42. Species Dipolydora spinosa Radashevsky, 2022
    43. Species Dipolydora tentaculata (Blake & Kudenov, 1978)
    44. Species Dipolydora tetrabranchia (Hartman, 1945)
    45. Species Dipolydora tridenticulata (Woodwick, 1964)
    46. Species Dipolydora vietnamita Radashevsky, 2022
    47. Species Dipolydora vulcanica (Radashevsky, 1994)
    48. Species Dipolydora rogeri (Martin, 1996) accepted as Dipolydora armata (Langerhans, 1880) (recombination of subjective synonym)
    49. Species Dipolydora trilobata (Radashevsky, 1993) accepted as Dipolydora giardi (Mesnil, 1893) (unaccepted > junior subjective synonym)
  13. Genus Dispio Hartman, 1951
    1. Species Dispio africana (Rullier, 1964)
    2. Species Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016
    3. Species Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016
    4. Species Dispio brachychaeta Blake, 1983
    5. Species Dispio elegans Delgado-Blas, Díaz-Díaz & Viéitez, 2018
    6. Species Dispio glabrilamellata Blake & Kudenov, 1978
    7. Species Dispio glandulosa Delgado-Blas, Díaz-Díaz & Viéitez, 2019
    8. Species Dispio latilamella Williams, 2007
    9. Species Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016
    10. Species Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016
    11. Species Dispio magna (Day, 1955)
    12. Species Dispio maroroi Gibbs, 1971
    13. Species Dispio oculata Imajima, 1990
    14. Species Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016
    15. Species Dispio remanei Friedrich, 1956
    16. Species Dispio schusterae Friedrich, 1956
    17. Species Dispio uncinata Hartman, 1951
  14. Genus Glandulospio Meißner, Bick, Guggolz & Götting, 2014
    1. Species Glandulospio orestes Meißner, Bick, Guggolz & Götting, 2014
  15. Genus Glyphochaeta Bick, 2005
    1. Species Glyphochaeta laudieni Bick, 2005
  16. Genus Laonice Malmgren, 1867
    1. Subgenus Laonice (Appelloefia) Sikorski, Gunton & Pavlova, 2017
      1. Species Laonice (Appelloefia) barcinensis Sikorski in Sikorski et al., 2021
      2. Species Laonice (Appelloefia) natae Sikorski, Gunton & Pavlova, 2017
    2. Subgenus Laonice (Laonice) Malmgren, 1867
      1. Species Laonice (Laonice) persica Sikorski, Pavlova, Martin & Gil, 2023
      2. Species Laonice (Laonice) siamica Sikorski, Pavlova, Martin & Gil, 2023
    3. Subgenus Laonice (Norgensia) Sikorski, Gunton & Pavlova, 2017
      1. Species Laonice (Norgensia) costaricensis Sikorski & Pavlova, 2018
      2. Species Laonice (Norgensia) rasmusseni Sikorski & Pavlova, 2018
    4. Subgenus Laonice (Sarsiana) Sikorski, Gunton & Pavlova, 2017
      1. Species Laonice (Sarsiana) alberti Sikorski, Langeneck & Pavlova in Sikorski et al., 2021
      2. Species Laonice (Sarsiana) andamanica Sikorski, Pavlova, Martin & Gil, 2023
      3. Species Laonice (Sarsiana) apicelamella Sikorski, Pavlova, Martin & Gil, 2023
    5. Species Laonice antarcticae Hartman, 1953
    6. Species Laonice antipoda Sikorski, 2011
    7. Species Laonice appelloefi Söderström, 1920
    8. Species Laonice asaccata Sigvaldadóttir & Desbruyères, 2003
    9. Species Laonice bahusiensis Söderström, 1920
    10. Species Laonice bassensis Blake & Kudenov, 1978
    11. Species Laonice blakei Sikorsky & Jirkov in Sikorsky, Jirkov & Tsetlin, 1988
    12. Species Laonice branchiata Nonato, Bolívar & Lana, 1986
    13. Species Laonice brevicornis (Kinberg, 1866)
    14. Species Laonice brevicristata Pillai, 1961
    15. Species Laonice cirrata (M. Sars, 1851)
      1. Subspecies Laonice cirrata antarcticae Hartman, 1953 accepted as Laonice antarcticae Hartman, 1953 (rank upgraded to species)
      2. Subspecies Laonice cirrata minuta Augener, 1921 accepted as Prionospio cirrifera Wirén, 1883
      3. Subspecies Laonice cirrata postcirrata Hartmann-Schröder, 1965 accepted as Laonice postcirrata Hartmann-Schröder, 1965 (raised to species rank)
      4. Subspecies Laonice cirrata praecirrata Hartmann-Schröder, 1965 accepted as Laonice praecirrata Hartmann-Schröder, 1965 (raised to species rank)
    16. Species Laonice cricketae Sikorski & Pavlova, 2016
    17. Species Laonice dayianum Sikorski, 1997
    18. Species Laonice galatheae Sikorski & Pavlova, 2016
    19. Species Laonice grimaldii Sikorski, Nygren & Mikac, in Sikorski et al. 2021
    20. Species Laonice hermaphroditica Blake & Kudenov, 1978
    21. Species Laonice irinae Sikorski, Radashevsky & Nygren in Sikorski et al, 2021
    22. Species Laonice japonica (Moore, 1907)
    23. Species Laonice junoyi Aguirrezabalaga & Ceberio, 2005
    24. Species Laonice kasyanovi Radashevsky & Sikorski in Radashevsky et al., 2023
    25. Species Laonice lemniscata Greaves, Meißner & Wilson, 2011
    26. Species Laonice magnacristata Maciolek, 2000
    27. Species Laonice mediterranea Sikorski, Nygren & Rousou, in Sikorski et. al. 2021
    28. Species Laonice norgensis Sikorski, 2003
    29. Species Laonice nuchala Blake, 1996
    30. Species Laonice olgae Sikorski & Pavlova, 2016
    31. Species Laonice papillibranchiae Ward, 1981
    32. Species Laonice parvabranchiata Radashevsky & Lana, 2009
    33. Species Laonice pectinata Greaves, Meißner & Wilson, 2011
    34. Species Laonice pinnulata Radashevsky & Lana, 2009
    35. Species Laonice plumisetosa Bogantes, Halanych & Meißner, 2018
    36. Species Laonice postcirrata Hartmann-Schröder, 1965
    37. Species Laonice praecirrata Hartmann-Schröder, 1965
    38. Species Laonice rossica Sikorski, 2003
    39. Species Laonice sarsi Söderström, 1920
    40. Species Laonice shamrockensis Sikorski, 2003
    41. Species Laonice shulseae Neal, Wiklund, Rabone, Dahlgren & Glover, 2022
    42. Species Laonice sinica Sikorskii & Wu, 1998
    43. Species Laonice vieitezi López, 2011
    44. Species Laonice weddellia Hartman, 1978
    45. Species Laonice whittardensis Sikorski, Gunton & Pavlova, 2017
    46. Species Laonice annenkowae Zachs, 1925 accepted as Marenzelleria arctia (Chamberlin, 1920) (subjective synonym)
    47. Species Laonice aperata Radashevsky & Lana, 2009 accepted as Laonice brevicornis (Kinberg, 1866) (subjective synonym)
    48. Species Laonice foliata (Moore, 1923) accepted as Laonice cirrata (M. Sars, 1851) (recombination of subjective synonym)
    49. Species Laonice insolita Greaves, Meißner & Wilson, 2011 accepted as Aonidella insolita (Greaves, Meißner & Wilson, 2011) (superseded original combination)
    50. Species Laonice maciolekae Aguirrezabalaga & Ceberio, 2005 accepted as Laonice appelloefi Söderström, 1920 (subjective synonym)
    51. Species Laonice petersenae Radashevsky & Lana, 2009 accepted as Laonice brevicornis (Kinberg, 1866) (subjective synonym)
    52. Species Laonice pugettensis Banse & Hobson, 1968 accepted as Laonice cirrata (M. Sars, 1851) (subjective synonym)
    53. Species Laonice quadridentata Blake & Kudenov, 1978 accepted as Laonice brevicornis (Kinberg, 1866) (subjective synonym)
    54. Species Laonice sacculata (Moore, 1923) accepted as Laonice cirrata (M. Sars, 1851) (recombination of subjective synonym)
  17. Genus Laubieriellus Maciolek, 1981
    1. Species Laubieriellus cacatua Erickson & Wilson, 2018
    2. Species Laubieriellus decapitata Peixoto & Paiva, 2019
    3. Species Laubieriellus grasslei Maciolek, 1981
    4. Species Laubieriellus salzi (Laubier, 1970)
  18. Genus Lindaspio Blake & Maciolek, 1992
    1. Species Lindaspio dibranchiata Blake & Maciolek, 1992
    2. Species Lindaspio polybranchiata Sui, Dong, Wu & Li, 2023
    3. Species Lindaspio sebastiena Bellan, Dauvin & Laubier, 2003
    4. Species Lindaspio southwardorum Blake & Maciolek, 1992
    5. Species Lindaspio carunculata (Maciolek, 1984) accepted as Scolecolepides carunculatus Maciolek, 1984 (superseded recombination)
  19. Genus Malacoceros Quatrefages, 1843
    1. Species Malacoceros cariacoensis Delgado-Blas & Díaz-Díaz, 2010
    2. Species Malacoceros derjugini (Uschakov, 1948)
    3. Species Malacoceros divisus Hutchings & Rainer, 1979
    4. Species Malacoceros fuliginosus (Claparède, 1868)
    5. Species Malacoceros girardi Quatrefages, 1843
    6. Species Malacoceros indicus (Fauvel, 1928)
    7. Species Malacoceros jennicus Graff, Blake & Wishner, 2008
    8. Species Malacoceros jirkovi Sikorski, 1993
    9. Species Malacoceros laevicornis (Rathke, 1837)
    10. Species Malacoceros longiseta Delgado-Blas & Díaz-Díaz, 2013
    11. Species Malacoceros reductus Blake & Kudenov, 1978
    12. Species Malacoceros samurai Hourdez, Desbruyères & Laubier, 2006
    13. Species Malacoceros tetracerus (Schmarda, 1861)
    14. Species Malacoceros tripartitus Blake & Kudenov, 1978
    15. Species Malacoceros vanderhorsti (Augener, 1927)
    16. Species Malacoceros vulgaris (Johnston, 1827)
    17. Subgenus Malacoceros (Rhynchospio) accepted as Rhynchospio Hartman, 1936 (superseded alternate representation)
      1. Species Malacoceros (Rhynchospio) inflatus Foster, 1971 accepted as Rhynchospio inflata (Foster, 1971) (superseded original combination)
    18. Species Malacoceros ciliatus (Keferstein, 1862) accepted as Malacoceros tetracerus (Schmarda, 1861) (superseded combination of subjective synonym)
    19. Species Malacoceros girardii [auctt.] accepted as Malacoceros girardi Quatrefages, 1843 (misspelling)
    20. Species Malacoceros longirostris Quatrefages, 1843 accepted as Scolelepis longirostris (Quatrefages, 1843) (superseded original combination)
    21. Species Malacoceros punctatus (Hartman, 1961) accepted as Malacoceros indicus (Fauvel, 1928) (superseded subsequent combination of subjective synonym)
    22. Species Malacoceros tetraceros [auctt.] accepted as Malacoceros tetracerus (Schmarda, 1861) (misspelling)
    23. Species Malacoceros fuliginosa [auctt.] (uncertain > nomen dubium, misspellling, perhaps arising from incorrect usage of Malacoceros as subgenus of Scolelepis)
  20. Genus Marenzelleria Mesnil, 1896
    1. Species Marenzelleria arctia (Chamberlin, 1920)
    2. Species Marenzelleria bastropi Bick, 2005
    3. Species Marenzelleria neglecta Sikorski & Bick, 2004
    4. Species Marenzelleria viridis (Verrill, 1873)
    5. Species Marenzelleria wireni Augener, 1913
    6. Species Marenzelleria jonesi Maciolek, 1984 accepted as Marenzelleria viridis (Verrill, 1873) (subjective synonym)
  21. Genus Microspio Mesnil, 1896
    1. Species Microspio ariena Maciolek & Blake, 2021
    2. Species Microspio atlantica (Langerhans, 1880)
    3. Species Microspio elegantula Blake, 1984
    4. Species Microspio fischeri Maciolek & Blake, 2021
    5. Species Microspio granulata Blake & Kudenov, 1978
    6. Species Microspio hartmanae Blake, 1983
    7. Species Microspio kussakini Chlebovitsch, 1959
    8. Species Microspio lydonia Maciolek & Blake, 2021
    9. Species Microspio maori Blake, 1984
    10. Species Microspio mecznikowiana (Claparède, 1869)
    11. Species Microspio microcera (Dorsey, 1977)
    12. Species Microspio minuta (Hartmann-Schröder, 1962)
    13. Species Microspio moorei (Gravier, 1911)
    14. Species Microspio multidentata Zhou, Ji & Li, 2009
    15. Species Microspio occipitalis Hartmann-Schröder, 1983
    16. Species Microspio paradoxa Blake, 1983
    17. Species Microspio pigmentata (Reish, 1959)
    18. Species Microspio profunda Maciolek, 1990
    19. Species Microspio rolasiana Augener, 1918
    20. Species Microspio spinosa Blake, 1996
    21. Species Microspio tetrabranchia Maciolek, 1990
    22. Species Microspio africana Rullier, 1964 accepted as Dispio africana (Rullier, 1964) (superseded original combination)
    23. Species Microspio arctica Söderström, 1920 accepted as Spio limicola Verrill, 1879 (subjective synonym)
    24. Species Microspio armata Thulin, 1957 accepted as Spio armata (Thulin, 1957) (superseded original combination)
    25. Species Microspio mecznikowianus (Claparède, 1869) accepted as Microspio mecznikowiana (Claparède, 1869) (incorrect gender ending for adjectival name)
    26. Species Microspio theeli Söderström, 1920 accepted as Spio theeli (Söderström, 1920) (superseded original combination)
      1. Subspecies Microspio theeli kolaensis Zachs, 1925 accepted as Spio theeli kolaensis (Zachs, 1925) (superseded original combination)
    27. Species Microspio gracilis (Hartmann-Schröder, 1962) (uncertain > taxon inquirendum, incertae sedis, with chaetation not conforming with Microspio)
  22. Genus Orthoprionospio Blake & Kudenov, 1978
    1. Species Orthoprionospio cirriformia Blake & Kudenov, 1978
  23. Genus Paraprionospio Caullery, 1914
    1. Species Paraprionospio africana (Augener, 1918)
    2. Species Paraprionospio alata (Moore, 1923)
    3. Species Paraprionospio coora Wilson, 1990
    4. Species Paraprionospio cordifolia Yokoyama, 2007
    5. Species Paraprionospio cristata Zhou, Yokoyama & Li, 2008
    6. Species Paraprionospio dibranchiata Delgado-Blas & Carrera-Parra, 2018
    7. Species Paraprionospio inaequibranchia (Caullery, 1914)
    8. Species Paraprionospio lamellibranchia Hartman, 1976
    9. Species Paraprionospio oceanensis Yokoyama, 2007
    10. Species Paraprionospio patiens Yokoyama, 2007
    11. Species Paraprionospio pinnata (Ehlers, 1901)
      1. Subspecies Paraprionospio pinnata inaequibranchia (Caullery, 1914) accepted as Paraprionospio inaequibranchia (Caullery, 1914) (superseded subsequent combination)
    12. Species Paraprionospio tamaii Delgado-Blas, 2004
    13. Species Paraprionospio treadwelli (Hartman, 1951)
    14. Species Paraprionospio yokoyamai Delgado-Blas, 2004
    15. Species Paraprionospio tribranchiata Berkeley, 1927 accepted as Paraprionospio pinnata (Ehlers, 1901) (superseded original combination)
  24. Genus Polydora Bosc, 1802
    1. Subgenus Polydora (Leucodore)
      1. Species Polydora (Leucodore) polybranchia Haswell, 1885 accepted as Boccardia polybranchia (Haswell, 1885) (superseded original combination)
    2. Subgenus Polydora (Polydora)
      1. Species Polydora (Polydora) caulleryi Mesnil, 1897 accepted as Dipolydora caulleryi (Mesnil, 1897) (superseded combination)
      2. Species Polydora (Polydora) giardi Mesnil, 1893 accepted as Dipolydora giardi (Mesnil, 1893) (superseded original combination with subsequent subgeneric combination)
      3. Species Polydora (Polydora) quadrilobata Jacobi, 1883 accepted as Dipolydora quadrilobata (Jacobi, 1883) (superseded alternate representation)
      4. Species Polydora (Polydora) socialis (Schmarda, 1861) accepted as Dipolydora socialis (Schmarda, 1861) (superseded subsequent combination)
    3. Species Polydora aggregata Blake, 1969
    4. Species Polydora alloporis Light, 1970
    5. Species Polydora anophthalma Rioja, 1962
    6. Species Polydora aura Sato-Okoshi, 1998
    7. Species Polydora bioccipitalis Blake & Woodwick, 1972
    8. Species Polydora brevipalpa Zachs, 1933
    9. Species Polydora calcarea (Templeton, 1836)
    10. Species Polydora carinhosa Radashevsky, Lana & Nalesso, 2006
    11. Species Polydora cavitensis Pillai, 1965
    12. Species Polydora ciliata (Johnston, 1838)
      1. Subspecies Polydora ciliata brevipalpa Zachs, 1933 accepted as Dipolydora commensalis (Andrews, 1891) (subjective synonym)
      2. Subspecies Polydora ciliata limicola Annenkova, 1934 accepted as Polydora limicola Annenkova, 1934 (superseded original combination)
      3. Subspecies Polydora ciliata minuta Langerhans, 1881 accepted as Polydora langerhansi Mesnil, 1896 (subjective synonym)
      4. Subspecies Polydora ciliata possjetica Buzhinskaja, 1971 accepted as Dipolydora bidentata (Zachs, 1933) (subjective synonym)
      5. Subspecies Polydora ciliata spongicola Berkeley & Berkeley, 1950 accepted as Polydora spongicola Berkeley & Berkeley, 1950 (superseded original combination)
    13. Species Polydora cirrosa Rioja, 1943
    14. Species Polydora colonia Moore, 1907
    15. Species Polydora cornuta Bosc, 1802
    16. Species Polydora curiosa Radashevsky, 1994
    17. Species Polydora dinthwanyana Simon, 2011
    18. Species Polydora ecuadoriana Blake, 1983
    19. Species Polydora fulva Grube, 1878
    20. Species Polydora fusca Radashevsky & Hsieh, 2000
    21. Species Polydora gaikwadi Day, 1973
    22. Species Polydora glycymerica Radashevsky, 1993
    23. Species Polydora haswelli Blake & Kudenov, 1978
    24. Species Polydora hermaphroditica Hannerz, 1956
    25. Species Polydora heterochaeta Rioja, 1939
    26. Species Polydora hoplura Claparède, 1868
      1. Subspecies Polydora hoplura inhaca Day, 1957 accepted as Polydora colonia Moore, 1907 (subjective synonym)
    27. Species Polydora hornelli Willey, 1905
    28. Species Polydora kaneohe Ward, 1981
    29. Species Polydora laticephala Hartmann-Schröder, 1959
    30. Species Polydora latispinosa Blake & Kudenov, 1978
    31. Species Polydora limicola Annenkova, 1934
    32. Species Polydora lingshuiensis Ye, Tang, Wu, Su, Wang, Yu & Wang, 2015
    33. Species Polydora lingulicola Abe & Sato-Okoshi, 2020
    34. Species Polydora mabinii Williams, 2001
    35. Species Polydora maculata Day, 1963
    36. Species Polydora magna Berkeley, 1927
    37. Species Polydora manchenkoi Radashevsky & Pankova, 2006
    38. Species Polydora nanomon Orensky & Williams, 2009
    39. Species Polydora narica Light, 1969
    40. Species Polydora neocaeca Williams & Radashevsky, 1999
    41. Species Polydora neocardalia Hartman, 1961
    42. Species Polydora nuchalis Woodwick, 1953
    43. Species Polydora onagawaensis Teramoto, Sato-Okoshi, Abe, Nishitani & Endo, 2013
    44. Species Polydora pacifica Takahashi, 1937
    45. Species Polydora paucibranchis Ehlers, 1913
    46. Species Polydora penicillata Hutchings & Rainer, 1979
    47. Species Polydora plena Berkeley & Berkeley, 1936
    48. Species Polydora posthamata Jones, 1962
    49. Species Polydora punctata Hartmann-Schröder, 1959
    50. Species Polydora pygidialis Blake & Woodwick, 1972
    51. Species Polydora quintanarooensis Delgado-Blas, 2008
    52. Species Polydora rickettsi Woodwick, 1961
    53. Species Polydora robi Williams, 2000
    54. Species Polydora spondylana Mohammad, 1973
    55. Species Polydora spongicola Berkeley & Berkeley, 1950
    56. Species Polydora triglanda Radashevsky & Hsieh, 2000
    57. Species Polydora tunicola Abe, Hoshino & Yamada in Abe, Hoshino, Yamada, Ogino, Kawaida & Sato-Okoshi, 2022
    58. Species Polydora umangivora Williams, 2001
    59. Species Polydora variegata Imajima & Sato, 1984
    60. Species Polydora villosa Radashevsky & Hsieh, 2000
    61. Species Polydora vulgaris Mohammad, 1972
    62. Species Polydora websteri Hartman in Loosanoff & Engle, 1943
    63. Species Polydora wobberi Light, 1970
    64. Species Polydora wolokowensis Zachs, 1925
    65. Species Polydora woodwicki Blake & Kudenov, 1978
    66. Subgenus Polydora (Carazzia) Mesnil, 1896 accepted as Pseudopolydora Czerniavsky, 1881 (subjective synonym)
      1. Species Polydora (Carazzia) bassarginensis Zachs, 1933 accepted as Pseudopolydora bassarginensis (Zachs, 1933) (superseded original combination)
      2. Species Polydora (Carazzia) derjugini Zachs, 1933 accepted as Pseudopolydora paucibranchiata (Okuda, 1937) (subjective synonym)
      3. Species Polydora (Carazzia) kempi Southern, 1921 accepted as Pseudopolydora kempi (Southern, 1921) (superseded original combination)
      4. Species Polydora (Carazzia) orientalis Annenkova, 1937 accepted as Pseudopolydora paucibranchiata (Okuda, 1937) (subjective synonym)
      5. Species Polydora (Carazzia) paucibranchiata Okuda, 1937 accepted as Pseudopolydora paucibranchiata (Okuda, 1937) (superseded original combination)
    67. Subgenus Polydora (Pseudopolydora) accepted as Pseudopolydora Czerniavsky, 1881 (synonym)
      1. Species Polydora (Pseudopolydora) antennata Claparède, 1868 accepted as Pseudopolydora antennata (Claparède, 1869) (alternate representation of superseded original combination, with subgeneric assignation)
      2. Species Polydora (Pseudopolydora) paucibranchiata Okuda, 1937 accepted as Pseudopolydora paucibranchiata (Okuda, 1937) (superseded subsequent combination)
      3. Species Polydora (Pseudopolydora) pulchra (Carazzi, 1893) accepted as Pseudopolydora pulchra (Carazzi, 1893) (superseded recombination)
    68. Species Polydora abranchiata Hartman, 1953 accepted as Amphipolydora abranchiata (Hartman, 1953) (superseded original combination)
    69. Species Polydora aciculata Blake & Kudenov, 1978 accepted as Dipolydora aciculata (Blake & Kudenov, 1978) (superseded original combination)
    70. Species Polydora adunca Harris, 1971 accepted as Polydora posthamata Jones, 1962 (subjective synonym)
    71. Species Polydora agassizii Claparède, 1869 accepted as Polydora ciliata (Johnston, 1838) (subjective synonym)
    72. Species Polydora alborectalis Radashevsky, 1993 accepted as Dipolydora alborectalis (Radashevsky, 1993) (superseded original combination)
    73. Species Polydora amarincola Hartman, 1936 accepted as Polydora cornuta Bosc, 1802 (subjective synonym)
    74. Species Polydora ancistrata Jones, 1962 accepted as Polydora colonia Moore, 1907 (subjective synonym)
    75. Species Polydora anoculata Moore, 1907 accepted as Dipolydora anoculata Moore, 1907 (unaccepted > superseded combination, superseded original combination)
    76. Species Polydora antennata Claparède, 1869 accepted as Pseudopolydora antennata (Claparède, 1869) (superseded original combination)
      1. Subspecies Polydora antennata pulchra Carazzi, 1893 accepted as Pseudopolydora pulchra (Carazzi, 1893) (superseded original combination)
    77. Species Polydora antonbruunae Blake, 1983 accepted as Dipolydora antonbruunae (Blake, 1983) (superseded original combination)
    78. Species Polydora armata Langerhans, 1880 accepted as Dipolydora armata (Langerhans, 1880) (superseded original combination)
    79. Species Polydora audax Quatrefages, 1866 accepted as Polydora ciliata (Johnston, 1838) (subjective synonym)
    80. Species Polydora barbilla Blake, 1981 accepted as Dipolydora barbilla (Blake, 1981) (superseded original combination)
    81. Species Polydora bifurcata Blake, 1981 accepted as Dipolydora bifurcata (Blake, 1981) (superseded original combination)
    82. Species Polydora blakei Maciolek, 1984 accepted as Dipolydora blakei (Maciolek, 1984) (superseded original combination)
    83. Species Polydora brachycephala Hartman, 1936 accepted as Dipolydora caulleryi (Mesnil, 1897) (subjective synonym)
    84. Species Polydora caeca (Örsted, 1843) accepted as Dipolydora coeca (Örsted, 1843) (superseded combination, alternative spelling)
      1. Subspecies Polydora caeca magna Berkeley, 1927 accepted as Polydora magna Berkeley, 1927 (superseded original combination)
    85. Species Polydora capensis Day, 1955 accepted as Dipolydora capensis (Day, 1955) (superseded original combination)
    86. Species Polydora carazzi McIntosh, 1909 accepted as Dipolydora caulleryi (Mesnil, 1897) (subjective synonym)
    87. Species Polydora cardalia Berkeley, 1927 accepted as Dipolydora cardalia (Berkeley, 1927) (superseded original combination)
    88. Species Polydora carunculata Radashevsky, 1993 accepted as Dipolydora carunculata (Radashevsky, 1993) (superseded original combination)
    89. Species Polydora caulleryi Mesnil, 1897 accepted as Dipolydora caulleryi (Mesnil, 1897) (superseded original combination)
    90. Species Polydora ciliate [auct. misspelling for 'ciliata'] accepted as Polydora ciliata (Johnston, 1838)
    91. Species Polydora citrona Hartman, 1941 accepted as Carazziella citrona (Hartman, 1941) (superseded original combination)
    92. Species Polydora commensalis Andrews, 1891 accepted as Dipolydora commensalis (Andrews, 1891) (superseded original combination)
    93. Species Polydora concharum Verrill, 1879 accepted as Dipolydora concharum (Verrill, 1879) (superseded original combination)
    94. Species Polydora convexa Blake & Woodwick, 1972 accepted as Dipolydora convexa (Blake & Woodwick, 1972) (unaccepted > superseded combination, superseded original combination)
    95. Species Polydora dorsomaculata Rainer, 1973 accepted as Dipolydora flava (Claparède, 1870) (subjective synonym)
    96. Species Polydora elegantissima Blake & Woodwick, 1972 accepted as Dipolydora elegantissima (Blake & Woodwick, 1972) (superseded original combination)
    97. Species Polydora euryhalina Hartmann-Schröder, 1960 accepted as Boccardia polybranchia (Haswell, 1885) (subjective synonym)
    98. Species Polydora flava Claparède, 1870 accepted as Dipolydora flava (Claparède, 1870) (superseded original combination)
      1. Subspecies Polydora flava bidentata Zachs, 1933 accepted as Dipolydora bidentata (Zachs, 1933) (superseded original combination)
      2. Subspecies Polydora flava soederstroemi Annenkova, 1938 accepted as Dipolydora cardalia (Berkeley, 1927) (subjective synonym)
      3. Subspecies Polydora flava orientalis Imajima & Hartman, 1964 (uncertain > taxon inquirendum)
    99. Species Polydora giardi Mesnil, 1893 accepted as Dipolydora giardi (Mesnil, 1893) (superseded original combination)
    100. Species Polydora goreensis Augener, 1918 accepted as Dipolydora goreensis (Augener, 1918) (superseded original combination)
    101. Species Polydora guillei Laubier & Ramos, 1974 accepted as Atherospio guillei (Laubier & Ramos, 1974) (superseded original combination)
    102. Species Polydora hamata Webster, 1879 accepted as Boccardiella hamata (Webster, 1879) (superseded original combination)
    103. Species Polydora hamata Langerhans, 1880 accepted as Polydora posthamata Jones, 1962 (homonym; replacement name provided)
    104. Species Polydora hartmanae Blake, 1971 accepted as Dipolydora hartmanae (Blake, 1971) (superseded original combination)
    105. Species Polydora kempi Southern, 1921 accepted as Pseudopolydora kempi (Southern, 1921) (superseded original combination (alternate representation of))
    106. Species Polydora langerhansi Mesnil, 1896 accepted as Dipolydora langerhansi (Mesnil, 1896) (superseded original combination)
    107. Species Polydora ligni Webster, 1879 accepted as Polydora cornuta Bosc, 1802 (subjective synonym)
    108. Species Polydora littorea Verrill, 1881 accepted as Polydora cornuta Bosc, 1802 (subjective synonym, first published as a nomen nudum)
    109. Species Polydora magellanica Blake, 1983 accepted as Dipolydora magellanica (Blake, 1983) (superseded original combination)
    110. Species Polydora monilaris Ehlers, 1904 accepted as Dipolydora armata (Langerhans, 1880) (subjective synonym)
    111. Species Polydora natrix Söderström, 1920 accepted as Boccardia natrix (Söderström, 1920) (superseded original combination)
    112. Species Polydora normalis Day, 1957 accepted as Dipolydora normalis (Day, 1957) (superseded original combination)
    113. Species Polydora notialis Blake & Kudenov, 1978 accepted as Dipolydora notialis (Blake & Kudenov, 1978) (superseded original combination)
    114. Species Polydora peristomialis Hartman, 1976 accepted as Dipolydora peristomialis (Hartman, 1976) (superseded original combination)
    115. Species Polydora pilikia Ward, 1981 accepted as Dipolydora pilikia (Ward, 1981) (superseded original combination)
    116. Species Polydora pilocollaris Blake & Kudenov, 1978 accepted as Dipolydora pilocollaris (Blake & Kudenov, 1978) (superseded original combination)
    117. Species Polydora polybranchia Haswell, 1885 accepted as Boccardia polybranchia (Haswell, 1885) (superseded original combination without subgeneric attribution)
    118. Species Polydora protuberata Blake & Kudenov, 1978 accepted as Dipolydora protuberata (Blake & Kudenov, 1978) (superseded original combination)
    119. Species Polydora pulchra Carazzi, 1893 accepted as Pseudopolydora pulchra (Carazzi, 1893) (superseded original combination)
    120. Species Polydora pusilla Saint-Joseph, 1894 accepted as Dipolydora flava (Claparède, 1870) (subjective synonym)
    121. Species Polydora quadricirrata Rainer, 1973 accepted as Carazziella quadricirrata (Rainer, 1973) (superseded original combination)
    122. Species Polydora quadrilobata Jacobi, 1883 accepted as Dipolydora quadrilobata (Jacobi, 1883) (superseded original combination)
    123. Species Polydora redeki Horst, 1920 accepted as Boccardiella ligerica (Ferronnière, 1898) (subjective synonym)
    124. Species Polydora rogeri Martin, 1996 accepted as Dipolydora armata (Langerhans, 1880) (subjective synonym)
    125. Species Polydora saintjosephi Eliason, 1920 accepted as Dipolydora saintjosephi (Eliason, 1920) (superseded original combination)
    126. Species Polydora socialis (Schmarda, 1861) accepted as Dipolydora socialis (Schmarda, 1861) (recombination)
      1. Subspecies Polydora socialis plena Berkeley & Berkeley, 1936 accepted as Polydora plena Berkeley & Berkeley, 1936 (superseded original combination)
    127. Species Polydora soederstroemi Annenkova, 1938 accepted as Dipolydora cardalia (Berkeley, 1927) (subjective synonym)
    128. Species Polydora tentaculata Blake & Kudenov, 1978 accepted as Dipolydora tentaculata (Blake & Kudenov, 1978) (superseded original combination)
    129. Species Polydora tetrabranchia Hartman, 1945 accepted as Dipolydora tetrabranchia (Hartman, 1945) (superseded original combination)
    130. Species Polydora tricuspa Hartman, 1939 accepted as Boccardia tricuspa (Hartman, 1939) (superseded original combination)
    131. Species Polydora tridenticulata Woodwick, 1964 accepted as Dipolydora tridenticulata (Woodwick, 1964) (superseded original combination)
    132. Species Polydora trilobata Radashevsky, 1993 accepted as Dipolydora giardi (Mesnil, 1893) (unaccepted > junior subjective synonym)
    133. Species Polydora truncata (Hartman, 1936) accepted as Boccardiella truncata (Hartman, 1936) (superseded recombination; lapsus calami in Hartman (1936))
    134. Species Polydora tubifex Verrill, 1885 accepted as Dipolydora quadrilobata (Jacobi, 1883) (subjective synonym)
    135. Species Polydora uncatiformis Monro, 1938 accepted as Boccardiella ligerica (Ferronnière, 1898) (subjective synonym)
    136. Species Polydora uncinata Sato-Okoshi, 1998 accepted as Polydora hoplura Claparède, 1868 (subjective synonym)
    137. Species Polydora uschakovi Buzhinskaja, 1971 accepted as Polydora spongicola Berkeley & Berkeley, 1950 (subjective synonym)
    138. Species Polydora vulcanica Radashevsky, 1994 accepted as Dipolydora vulcanica (Radashevsky, 1994) (superseded original combination)
    139. Subgenus Polydora (Boccardia) Carazzi, 1893 represented as Boccardia Carazzi, 1893
      1. Species Polydora (Boccardia) columbiana (Berkeley, 1927) accepted as Boccardia columbiana Berkeley, 1927 (superseded recombination)
      2. Species Polydora (Boccardia) ligerica (Ferronnière, 1898) accepted as Boccardiella ligerica (Ferronnière, 1898) (superseded recombination)
      3. Species Polydora (Boccardia) natrix Söderström, 1920 accepted as Boccardia natrix (Söderström, 1920) (superseded subgeneric recombination)
      4. Species Polydora (Boccardia) perata Chlebovitsch, 1959 accepted as Boccardia perata (Chlebovitsch, 1959) (superseded original combination)
      5. Species Polydora (Boccardia) polybranchia Haswell, 1885 accepted as Boccardia polybranchia (Haswell, 1885) (superseded subgeneric recombination)
      6. Species Polydora (Boccardia) proboscidea (Hartman, 1940) accepted as Boccardia proboscidea Hartman, 1940 (superseded recombination)
      7. Species Polydora (Boccardia) redeki Horst, 1920 accepted as Boccardiella ligerica (Ferronnière, 1898) (alternate subgeneric representation of subjective synonym)
      8. Species Polydora (Boccardia) uncata (Berkeley, 1927) accepted as Boccardiella hamata (Webster, 1879) (superseded recombination of junior synonym)
    140. Species Polydora caeca Webster, 1879 (uncertain > taxon inquirendum, secondary homonym of unresolved status as replacement name 'websteri' removed by ICZN Opinion 1974)
    141. Species Polydora californica Treadwell, 1914 (uncertain > nomen dubium)
    142. Species Polydora gracilis Verrill, 1879 (uncertain > taxon inquirendum, indeterminable from description)
  25. Genus Polydorella Augener, 1914
    1. Species Polydorella dawydoffi Radashevsky, 1996
    2. Species Polydorella kamakamai Williams, 2004
    3. Species Polydorella novaegeorgiae Gibbs, 1971
    4. Species Polydorella prolifera Augener, 1914
    5. Species Polydorella smurovi Tzetlin & Britaev, 1985
    6. Species Polydorella stolonifera (Blake & Kudenov, 1978)
  26. Genus Prionospio Malmgren, 1867
    1. Species Prionospio acuta Peixoto & Paiva, 2020
    2. Species Prionospio alexandrae Peixoto & Paiva, 2020
    3. Species Prionospio aluta Maciolek, 1985
    4. Species Prionospio amarsupiata Neal & Altamira in Paterson et al., 2016
    5. Species Prionospio anatolica Dagli & Çinar, 2011
    6. Species Prionospio andamanensis Hylleberg & Nateewathana, 1991
    7. Species Prionospio anneae Radashevsky, 2015
    8. Species Prionospio anuncata Fauchald, 1972
    9. Species Prionospio atrovitta Gopal, Parameswaran, Abdul Jaleel & Saravanane, 2020
    10. Species Prionospio aucklandica Augener, 1923
    11. Species Prionospio austella Delgado-Blas, 2015
    12. Species Prionospio australiensis Blake & Kudenov, 1978
    13. Species Prionospio biancoi Peixoto & Paiva, 2020
    14. Species Prionospio bocki Söderström, 1920
    15. Species Prionospio branchilucida Altamira, Glover & Paterson in Paterson et al., 2016
    16. Species Prionospio caribensis Delgado-Blas, 2014
    17. Species Prionospio caspersi Laubier, 1962
    18. Species Prionospio cerastae Radashevsky, 2015
    19. Species Prionospio chilensis Hartmann-Schröder, 1962
    20. Species Prionospio cinthyae Peixoto & Paiva, 2020
    21. Species Prionospio cirrifera Wirén, 1883
      1. Subspecies Prionospio cirrifera chilensis Hartmann-Schröder, 1962 accepted as Prionospio chilensis Hartmann-Schröder, 1962 (raised to species rank)
    22. Species Prionospio convexa Imajima, 1990
    23. Species Prionospio cooki Radashevsky, 2015
    24. Species Prionospio coorilla Wilson, 1990
    25. Species Prionospio cornuta Hylleberg & Nateewathana, 1991
    26. Species Prionospio corrugata Peixoto & Paiva, 2020
    27. Species Prionospio crassumbranchiata Delgado-Blas, 2015
    28. Species Prionospio cristata Foster, 1971
    29. Species Prionospio cristaventralis Delgado-Blas, Díaz-Díaz & Viéitez, 2018
    30. Species Prionospio decipiens Söderström, 1920
    31. Species Prionospio delta Hartman, 1965
    32. Species Prionospio depauperata Imajima, 1990
    33. Species Prionospio dubia Day, 1961
    34. Species Prionospio ehlersi Fauvel, 1928
    35. Species Prionospio elegantula Imajima, 1990
    36. Species Prionospio elongata Imajima, 1990
    37. Species Prionospio ergeni Dagli & Çinar, 2009
    38. Species Prionospio expansa Lee, Lee & Min, 2023
    39. Species Prionospio fallax Söderström, 1920
    40. Species Prionospio fauchaldi Maciolek, 1985
    41. Species Prionospio festiva (Grube, 1872)
    42. Species Prionospio fosterae Peixoto & Paiva, 2020
    43. Species Prionospio gabriellae Delgado-Blas & Fonseca-González, 2023
    44. Species Prionospio gayheadia Delgado-Blas & Peraza, 2024
    45. Species Prionospio grossa Imajima, 1990
    46. Species Prionospio hartmanae Peixoto & Paiva, 2020
    47. Species Prionospio henriki Hylleberg & Nateewathana, 1991
    48. Species Prionospio hermesia Neal & Paterson in Paterson et al., 2016
    49. Species Prionospio heterobranchia Moore, 1907
      1. Subspecies Prionospio heterobranchia newportensis Reish, 1959 accepted as Prionospio newportensis Reish, 1959 (rank upgrade to species)
      2. Subspecies Prionospio heterobranchia texana Hartman, 1951 accepted as Prionospio texana Hartman, 1951 (rank upgrade to species)
    50. Species Prionospio jamaicensis Delgado-Blas, 2014
    51. Species Prionospio japonica Okuda, 1935
    52. Species Prionospio jonatani Delgado-Blas, 2015
    53. Species Prionospio jubata Blake, 1996
    54. Species Prionospio kaplani Altamira, Glover & Paterson in Paterson et al., 2016
    55. Species Prionospio kinbergi Peixoto & Paiva, 2020
    56. Species Prionospio kirrae Wilson, 1990
    57. Species Prionospio komaeti Hylleberg & Nateewathana, 1991
    58. Species Prionospio krusadensis Fauvel, 1929
    59. Species Prionospio kulin Wilson, 1990
    60. Species Prionospio laciniosa Maciolek, 1985
    61. Species Prionospio lanceolata Hartmann-Schröder, 1979
    62. Species Prionospio lighti Maciolek, 1985
    63. Species Prionospio lineata Imajima, 1990
    64. Species Prionospio lobulata Fauchald, 1972
    65. Species Prionospio lylei Radashevsky, 2015
    66. Species Prionospio maciolekae Dagli & Çinar, 2011
    67. Species Prionospio malayensis Caullery, 1914
    68. Species Prionospio marsupialia Blake, 1996
    69. Species Prionospio membranacea Imajima, 1990
    70. Species Prionospio multibranchiata Berkeley, 1927
    71. Species Prionospio multicristata Hutchings & Rainer, 1979
    72. Species Prionospio multipinnulata (Blake & Kudenov, 1978)
    73. Species Prionospio multisetosa Delgado-Blas & Peraza, 2024
    74. Species Prionospio mutata Peixoto & Paiva, 2020
    75. Species Prionospio neenae Hylleberg & Nateewathana, 1991
    76. Species Prionospio newportensis Reish, 1959
    77. Species Prionospio nielseni Hylleberg & Nateewathana, 1991
    78. Species Prionospio nirripa Wilson, 1990
    79. Species Prionospio nonatoi Peixoto & Paiva, 2019
    80. Species Prionospio oligopinnulata Delgado-Blas, 2015
    81. Species Prionospio orensanzi Blake, 1983
    82. Species Prionospio oshimensis Imajima, 1990
    83. Species Prionospio pacifica Zhou & Li, 2009
    84. Species Prionospio paradisea Imajima, 1990
    85. Species Prionospio parapari Delgado-Blas, Díaz-Díaz & Viéitez, 2018
    86. Species Prionospio patagonica Augener, 1923
    87. Species Prionospio paucipinnulata Blake & Kudenov, 1978
    88. Species Prionospio perkinsi Maciolek, 1985
    89. Species Prionospio peruana Hartmann-Schröder, 1962
    90. Species Prionospio phuketensis Hylleberg & Nateewathana, 1991
    91. Species Prionospio plumosa M. Sars in G.O. Sars, 1872
    92. Species Prionospio polybranchiata Fauvel, 1929
    93. Species Prionospio pulchra Imajima, 1990
    94. Species Prionospio pyramidalis (Hutchings & Turvey, 1984)
    95. Species Prionospio quadrilamellata Peixoto & Paiva, 2020
    96. Species Prionospio queenslandica Blake & Kudenov, 1978
    97. Species Prionospio rikardoi Martínez & Adarraga, 2019
    98. Species Prionospio rosariae Delgado-Blas, 2014
    99. Species Prionospio rotalis Mohammad, 1970
    100. Species Prionospio rotunda Delgado-Blas, 2015
    101. Species Prionospio rugosa Sigvaldadóttir, 1997
    102. Species Prionospio runei Hylleberg & Nateewathana, 1991
    103. Species Prionospio saccifera Mackie & Hartley, 1990
    104. Species Prionospio saldanha Day, 1961
    105. Species Prionospio sandersi Maciolek, 1981
    106. Species Prionospio sanmartini Delgado-Blas, Díaz-Díaz & Viéitez, 2019
    107. Species Prionospio sexoculata Augener, 1918
    108. Species Prionospio sishaensis Wu & Chen, 1964
    109. Species Prionospio solisi Peixoto & Paiva, 2019
    110. Species Prionospio somaliensis Cognetti-Varriale, 1988
    111. Species Prionospio spongicola Wesenberg-Lund, 1958
    112. Species Prionospio steenstrupi Malmgren, 1867
      1. Subspecies Prionospio steenstrupi malayensis Caullery, 1914 accepted as Prionospio malayensis Caullery, 1914 (rank upgraded to species)
    113. Species Prionospio tatura Wilson, 1990
    114. Species Prionospio tetelensis Gibbs, 1971
    115. Species Prionospio texana Hartman, 1951
    116. Species Prionospio thalanji Wilson & Humphreys, 2001
    117. Species Prionospio tridentata Blake & Kudenov, 1978
    118. Species Prionospio tripinnata Maciolek, 1985
    119. Species Prionospio unilamellata Sigvaldadóttir & Desbruyères, 2003
    120. Species Prionospio vallensis Neal & Paterson in Paterson et al., 2016
    121. Species Prionospio variegata Imajima, 1990
    122. Species Prionospio vermillionensis Fauchald, 1972
    123. Species Prionospio wambiri Wilson, 1990
    124. Species Prionospio wireni Maciolek, 1985
    125. Species Prionospio yuriel Wilson, 1990
    126. Subgenus Prionospio (Apoprionospio) [auctorum] accepted as Prionospio Malmgren, 1867 (superseded combination)
      1. Species Prionospio (Apoprionospio) vermillionensis Fauchald, 1972 accepted as Prionospio vermillionensis Fauchald, 1972 (superseded original combination)
    127. Subgenus Prionospio (Aquilaspio) Foster, 1971 accepted as Prionospio Malmgren, 1867 (unaccepted > junior subjective synonym, superseded subgenus rank)
      1. Species Prionospio (Aquilaspio) convexa Imajima, 1990 accepted as Prionospio convexa Imajima, 1990 (superseded original combination)
      2. Species Prionospio (Aquilaspio) grossa Imajima, 1990 accepted as Prionospio grossa Imajima, 1990 (superseded original combination)
      3. Species Prionospio (Aquilaspio) multipinnulata Blake & Kudenov, 1978 accepted as Prionospio multipinnulata (Blake & Kudenov, 1978) (superseded original combination)
      4. Species Prionospio (Aquilaspio) sexoculata Augener, 1918 accepted as Prionospio sexoculata Augener, 1918 (unaccepted > superseded combination, superseded subsequent combination)
      5. Species Prionospio (Aquilaspio) krusadensis Fauvel, 1929 represented as Prionospio krusadensis Fauvel, 1929 (disused subgenus rank)
    128. Subgenus Prionospio (Minuspio) Foster, 1971 accepted as Prionospio Malmgren, 1867 (superseded subgenus rank combination)
      1. Species Prionospio (Minuspio) aluta Maciolek, 1985 accepted as Prionospio aluta Maciolek, 1985 (superseded subgenus)
      2. Species Prionospio (Minuspio) cirrifera Wirén, 1883 accepted as Prionospio cirrifera Wirén, 1883 (superseded subgenus)
      3. Species Prionospio (Minuspio) delta Hartman, 1965 accepted as Prionospio delta Hartman, 1965 (superseded subgenus)
      4. Species Prionospio (Minuspio) elegantula Imajima, 1990 accepted as Prionospio elegantula Imajima, 1990 (superseded original combination)
      5. Species Prionospio (Minuspio) elongata Imajima, 1990 accepted as Prionospio elongata Imajima, 1990 (superseded combination)
      6. Species Prionospio (Minuspio) fauchaldi Maciolek, 1985 accepted as Prionospio fauchaldi Maciolek, 1985 (superseded subgenus)
      7. Species Prionospio (Minuspio) japonica Okuda, 1935 accepted as Prionospio japonica Okuda, 1935 (superseded combination)
      8. Species Prionospio (Minuspio) laciniosa Maciolek, 1985 accepted as Prionospio laciniosa Maciolek, 1985 (superseded subgenus)
      9. Species Prionospio (Minuspio) lighti Maciolek, 1985 accepted as Prionospio lighti Maciolek, 1985 (superseded subgenus)
      10. Species Prionospio (Minuspio) multibranchiata Berkeley, 1927 accepted as Prionospio multibranchiata Berkeley, 1927 (superseded subgenus)
      11. Species Prionospio (Minuspio) perkinsi Maciolek, 1985 accepted as Prionospio perkinsi Maciolek, 1985 (superseded original combination)
      12. Species Prionospio (Minuspio) pulchra Imajima, 1990 accepted as Prionospio pulchra Imajima, 1990 (superseded combination)
      13. Species Prionospio (Minuspio) sandersi Maciolek, 1981 accepted as Prionospio sandersi Maciolek, 1981 (superseded original combination)
      14. Species Prionospio (Minuspio) wireni Maciolek, 1985 accepted as Prionospio wireni Maciolek, 1985 (superseded subgenus)
      15. Species Prionospio (Minuspio) anatolica Dagli & Çinar, 2011 represented as Prionospio anatolica Dagli & Çinar, 2011 (disused subgenus)
      16. Species Prionospio (Minuspio) maciolekae Dagli & Çinar, 2011 represented as Prionospio maciolekae Dagli & Çinar, 2011 (disused subgenus)
      17. Species Prionospio (Minuspio) sanmartini Delgado-Blas, Díaz-Díaz & Viéitez, 2019 represented as Prionospio sanmartini Delgado-Blas, Díaz-Díaz & Viéitez, 2019 (disused subgenus)
    129. Subgenus Prionospio (Paraprionospio) Caullery, 1914 accepted as Paraprionospio Caullery, 1914 (rank upgraded to genus)
      1. Species Prionospio (Paraprionospio) pinnata Ehlers, 1901 accepted as Paraprionospio pinnata (Ehlers, 1901)
        1. Subspecies Prionospio (Paraprionospio) pinnata inaequibranchia Caullery, 1914 accepted as Paraprionospio inaequibranchia (Caullery, 1914) (superseded original combination)
    130. Subgenus Prionospio (Prionospio) [auctorum] accepted as Prionospio Malmgren, 1867 (superseded combination)
      1. Species Prionospio (Prionospio) anuncata Fauchald, 1972 accepted as Prionospio anuncata Fauchald, 1972 (superseded subgenus)
      2. Species Prionospio (Prionospio) australiensis Blake & Kudenov, 1978 accepted as Prionospio australiensis Blake & Kudenov, 1978 (superseded subgenus)
      3. Species Prionospio (Prionospio) cristata Foster, 1971 accepted as Prionospio cristata Foster, 1971 (superseded subgenus)
      4. Species Prionospio (Prionospio) depauperata Imajima, 1990 accepted as Prionospio depauperata Imajima, 1990 (superseded subgenus)
      5. Species Prionospio (Prionospio) ehlersi Fauvel, 1928 accepted as Prionospio ehlersi Fauvel, 1928 (superseded subgenus)
      6. Species Prionospio (Prionospio) ergeni Dagli & Çinar, 2009 accepted as Prionospio ergeni Dagli & Çinar, 2009
      7. Species Prionospio (Prionospio) heterobranchia Moore, 1907 accepted as Prionospio heterobranchia Moore, 1907 (superseded subgenus)
      8. Species Prionospio (Prionospio) lineata Imajima, 1990 accepted as Prionospio lineata Imajima, 1990 (superseded subgenus)
      9. Species Prionospio (Prionospio) membranacea Imajima, 1990 accepted as Prionospio membranacea Imajima, 1990 (superseded subgenus)
      10. Species Prionospio (Prionospio) oshimensis Imajima, 1990 accepted as Prionospio oshimensis Imajima, 1990 (superseded subgenus)
      11. Species Prionospio (Prionospio) paradisea Imajima, 1990 accepted as Prionospio paradisea Imajima, 1990 (superseded subgenus)
      12. Species Prionospio (Prionospio) paucipinnulata Blake & Kudenov, 1978 accepted as Prionospio paucipinnulata Blake & Kudenov, 1978
      13. Species Prionospio (Prionospio) queenslandica Blake & Kudenov, 1978 accepted as Prionospio queenslandica Blake & Kudenov, 1978 (superseded subgenus)
      14. Species Prionospio (Prionospio) steenstrupi Malmgren, 1867 accepted as Prionospio steenstrupi Malmgren, 1867 (superseded subgenus)
      15. Species Prionospio (Prionospio) tridentata Blake & Kudenov, 1978 accepted as Prionospio tridentata Blake & Kudenov, 1978 (superseded subgenus)
      16. Species Prionospio (Prionospio) tripinnata Maciolek, 1985 accepted as Prionospio tripinnata Maciolek, 1985 (superseded subgenus)
      17. Species Prionospio (Prionospio) variegata Imajima, 1990 accepted as Prionospio variegata Imajima, 1990 (superseded subgenus)
      18. Species Prionospio (Prionospio) dubia Day, 1961 represented as Prionospio dubia Day, 1961 (disused subgenus)
      19. Species Prionospio (Prionospio) jubata Blake, 1996 represented as Prionospio jubata Blake, 1996 (disused subgenus)
      20. Species Prionospio (Prionospio) lanceolata Hartmann-Schröder, 1979 represented as Prionospio lanceolata Hartmann-Schröder, 1979 (disused subgenus)
      21. Species Prionospio (Prionospio) lobulata Fauchald, 1972 represented as Prionospio lobulata Fauchald, 1972 (disused subgenus)
      22. Species Prionospio (Prionospio) marsupialia Blake, 1996 represented as Prionospio marsupialia Blake, 1996 (disused subgenus)
      23. Species Prionospio (Prionospio) orensanzi Blake, 1983 represented as Prionospio orensanzi Blake, 1983 (disused subgenus)
      24. Species Prionospio (Prionospio) pacifica Zhou & Li, 2009 represented as Prionospio pacifica Zhou & Li, 2009 (disused subgenus)
    131. Species Prionospio africana Augener, 1918 accepted as Paraprionospio africana (Augener, 1918) (superseded original combination)
    132. Species Prionospio alata Moore, 1923 accepted as Paraprionospio alata (Moore, 1923) (superseded original combination)
    133. Species Prionospio banyulensis Laubier, 1966 accepted as Aurospio banyulensis (Laubier, 1966) (superseded original combination)
    134. Species Prionospio cirrobranchiata Day, 1961 accepted as Aonidella cirrobranchiata (Day, 1961) (superseded original combination)
    135. Species Prionospio dayi (Foster, 1969) accepted as Apoprionospio dayi Foster, 1969 (unaccepted > superseded combination, superseded subsequent combination)
      1. Subspecies Prionospio dayi japonica (Imajima, 1989) accepted as Apoprionospio japonica Imajima, 1989 (superseded subsequent combination which would be an unreplaced junior secondary homonym to Prionospio japonica Okuda, 1935, according to ICZN Article 57.3)
    136. Species Prionospio gracilis Hartmann-Schröder, 1962 accepted as Microspio gracilis (Hartmann-Schröder, 1962) (superseded original combination)
    137. Species Prionospio japonicus Okuda, 1935 accepted as Prionospio japonica Okuda, 1935 (incorrect original spelling for gender agreement)
    138. Species Prionospio longibranchiata Reish, 1968 accepted as Prionospio delta Hartman, 1965 (subjective synonym)
    139. Species Prionospio multibranchiata Fauvel, 1928 accepted as Prionospio polybranchiata Fauvel, 1929 (replaced primary homonym in Prionospio)
    140. Species Prionospio ockelmanni Pleijel, 1985 accepted as Aurospio banyulensis (Laubier, 1966) (subjective synonym)
    141. Species Prionospio ornata Berkeley & Berkeley, 1961 accepted as Paraprionospio pinnata (Ehlers, 1901) (subjective synonym)
    142. Species Prionospio pilkena Wilson, 1990 accepted as Aurospio pilkena (Wilson, 1990) (superseded original combination)
    143. Species Prionospio pinnata Ehlers, 1901 accepted as Paraprionospio pinnata (Ehlers, 1901) (superseded original combination)
      1. Subspecies Prionospio pinnata inaequibranchia Caullery, 1914 accepted as Paraprionospio inaequibranchia (Caullery, 1914) (alternate representation of superseded original combination)
    144. Species Prionospio plumosa Treadwell, 1931 accepted as Paraprionospio treadwelli (Hartman, 1951) (superseded orginal combination of replaced junior primary homonym)
    145. Species Prionospio plumosus M. Sars in G.O. Sars, 1872 accepted as Prionospio plumosa M. Sars in G.O. Sars, 1872 (incorrect original spelling for gender agreement)
    146. Species Prionospio pygmaeus Hartman, 1961 accepted as Apoprionospio pygmaea (Hartman, 1961) (unaccepted > superseded combination, superseded original combination)
    147. Species Prionospio salzi Laubier, 1970 accepted as Laubieriellus salzi (Laubier, 1970) (superseded original combination)
    148. Species Prionospio tenuis (Verrill, 1880) accepted as Prionospio steenstrupi Malmgren, 1867 (subsequent combination of subjective synonym)
    149. Species Prionospio treadwelli Hartman, 1951 accepted as Paraprionospio treadwelli (Hartman, 1951) (superseded original replacement name )
    150. Species Prionospio capensis McIntosh, 1885 (uncertain > taxon inquirendum, indeterminable)
    151. Species Prionospio malmgreni Claparède, 1869 (uncertain > taxon inquirendum, indeterminable, probably based on a composite of several species (fide Maciolek, 1985))
      1. Variety Prionospio malmgreni var. dubia Day, 1961 accepted as Prionospio dubia Day, 1961 (unavailable name as a post-1960 variety; superseded original combination)
    152. Species Prionospio nova Annenkova, 1938 (uncertain > taxon inquirendum, indeterminable fragment (fide Foster, 1969, 1971))
  27. Genus Pseudopolydora Czerniavsky, 1881
    1. Species Pseudopolydora achaeta Radashevsky & Hsieh, 2000
    2. Species Pseudopolydora antennata (Claparède, 1869)
    3. Species Pseudopolydora arabica Radashevsky & Al-Kandari, 2020
    4. Species Pseudopolydora auha Radashevsky, Al-Kandari, Malyar & Pankova, 2021
    5. Species Pseudopolydora bassarginensis (Zachs, 1933)
    6. Species Pseudopolydora corallicola Woodwick, 1964
    7. Species Pseudopolydora corniculata Radashevsky & Hsieh, 2000
    8. Species Pseudopolydora dayii Simon, 2009
    9. Species Pseudopolydora diopatra Hsieh, 1992
    10. Species Pseudopolydora eriyali Simon, Sato-Okoshi & Abe, 2017
    11. Species Pseudopolydora floridensis Delgado-Blas, 2008
    12. Species Pseudopolydora gigeriosa Radashevsky & Hsieh, 2000
    13. Species Pseudopolydora glandulosa Blake & Kudenov, 1978
    14. Species Pseudopolydora hutchingsae Simon, Sato-Okoshi & Abe, 2017
    15. Species Pseudopolydora kempi (Southern, 1921)
      1. Subspecies Pseudopolydora kempi californica Light, 1969
      2. Subspecies Pseudopolydora kempi japonica Imajima & Hartman, 1964
    16. Species Pseudopolydora kuwaiti Radashevsky, Al-Kandari, Malyar & Pankova, 2021
    17. Species Pseudopolydora melanopalpa Radashevsky, Al-Kandari, Malyar & Pankova, 2021
    18. Species Pseudopolydora multispinosa Radashevsky, Al-Kandari, Malyar & Pankova, 2021
    19. Species Pseudopolydora nordica Radashevsky, 2021
    20. Species Pseudopolydora paucibranchiata (Okuda, 1937)
    21. Species Pseudopolydora pigmentata Woodwick, 1964
    22. Species Pseudopolydora primigenia Blake, 1983
    23. Species Pseudopolydora pulchra (Carazzi, 1893)
    24. Species Pseudopolydora reticulata Radashevsky & Hsieh, 2000
    25. Species Pseudopolydora rosebelae Radashevsky & Migotto, 2009
    26. Species Pseudopolydora tsubaki Simon, Sato-Okoshi & Abe, 2017
    27. Species Pseudopolydora uphondo Simon, Sato-Okoshi & Abe, 2017
    28. Species Pseudopolydora ushioni Simon, Sato-Okoshi & Abe, 2017
    29. Species Pseudopolydora vexillosa Radashevsky & Hsieh, 2000
    30. Species Pseudopolydora orientalis (Annenkova, 1937) accepted as Pseudopolydora paucibranchiata (Okuda, 1937) (recombination of subjective synonym)
    31. Species Pseudopolydora prolifera (Augener, 1914) accepted as Polydorella prolifera Augener, 1914 (unaccepted recombination)
    32. Species Pseudopolydora reishi Woodwick, 1964 accepted as Carazziella reishi (Woodwick, 1964) (superseded original combination)
    33. Species Pseudopolydora stolonifera Blake & Kudenov, 1978 accepted as Polydorella stolonifera (Blake & Kudenov, 1978) (superseded original combination)
  28. Genus Pygophyllum Schmarda, 1861
    1. Species Pygophyllum macrotrichum Schmarda, 1861
  29. Genus Pygospio Claparède, 1863
    1. Species Pygospio californica Hartman, 1936
    2. Species Pygospio elegans Claparède, 1863
    3. Species Pygospio muscularis Ward, 1981
    4. Species Pygospio dubia Monro, 1930 accepted as Pygospiopsis dubia (Monro, 1930) (superseded original combination)
    5. Species Pygospio minutus Giard, 1894 accepted as Pygospio elegans Claparède, 1863 (subjective synonym)
  30. Genus Pygospiopsis Blake, 1983
    1. Species Pygospiopsis antarctica Blake & Maciolek, 2018
    2. Species Pygospiopsis antennata Blake & Maciolek, 2018
    3. Species Pygospiopsis dubia (Monro, 1930)
    4. Species Pygospiopsis fauchaldi (Lovell, 1994)
    5. Species Pygospiopsis occipitalis Blake, 1996
    6. Species Pygospiopsis profunda Blake & Maciolek, 2018
  31. Genus Rhynchospio Hartman, 1936
    1. Species Rhynchospio aciliata Lee & Min, 2022
    2. Species Rhynchospio arenincola Hartman, 1936
      1. Subspecies Rhynchospio arenincola asiatica Chlebovitsch, 1959 accepted as Rhynchospio asiatica Chlebovitsch, 1959 (rank upgrade to species)
    3. Species Rhynchospio asiatica Chlebovitsch, 1959
    4. Species Rhynchospio australiana Blake & Kudenov, 1978
    5. Species Rhynchospio darwini Radashevsky, 2015
    6. Species Rhynchospio foliosa Imajima, 1991
    7. Species Rhynchospio glandulosa Radashevsky & Choi, 2021
    8. Species Rhynchospio glutaea (Ehlers, 1897)
    9. Species Rhynchospio glycera Blake & Kudenov, 1978
    10. Species Rhynchospio inflata (Foster, 1971)
    11. Species Rhynchospio mzansi Simon, Williams & Henninger, 2018
    12. Species Rhynchospio nhatrangi Radashevsky, 2007
    13. Species Rhynchospio tuberculata Imajima, 1991
    14. Species Rhynchospio microcera Dorsey, 1977 accepted as Microspio microcera (Dorsey, 1977) (superseded original combination)
    15. Species Rhynchospio harrisae Delgado-Blas & Díaz-Díaz, 2010 (uncertain > taxon inquirendum, probably a Microspio [fide Radashevsky et al. 2014])
  32. Genus Scolecolepides Ehlers, 1907
    1. Species Scolecolepides aciculatus Blake & Kudenov, 1978
    2. Species Scolecolepides benhami Ehlers, 1907
    3. Species Scolecolepides carunculatus Maciolek, 1984
    4. Species Scolecolepides freemani Mitchell & Edwards, 1988
    5. Species Scolecolepides uncinatus Blake, 1983
    6. Species Scolecolepides arctius Chamberlin, 1920 accepted as Marenzelleria arctia (Chamberlin, 1920) (superseded original combination)
    7. Species Scolecolepides viridis (Verrill, 1873) accepted as Marenzelleria viridis (Verrill, 1873) (superseded subsequent combination)
  33. Genus Scolelepis Blainville, 1828
    1. Subgenus Scolelepis (Parascolelepis) Maciolek, 1987
      1. Species Scolelepis (Parascolelepis) anterobranchiata Lee & Min, 2022
      2. Species Scolelepis (Parascolelepis) bousfieldi Pettibone, 1963
      3. Species Scolelepis (Parascolelepis) carrascoi Maciolek, 1987
      4. Species Scolelepis (Parascolelepis) geniculata Imajima, 1992
      5. Species Scolelepis (Parascolelepis) gilchristi (Day, 1961)
      6. Species Scolelepis (Parascolelepis) papillosa (Okuda, 1937)
      7. Species Scolelepis (Parascolelepis) quinquedentata (Hartmann-Schröder, 1965)
      8. Species Scolelepis (Parascolelepis) texana Foster, 1971
      9. Species Scolelepis (Parascolelepis) towra Blake & Kudenov, 1978
      10. Species Scolelepis (Parascolelepis) yamaguchii (Imajima, 1959)
      11. Species Scolelepis (Parascolelepis) globosa Wu & Chen, 1964 accepted as Scolelepis (Scolelepis) globosa Wu & Chen, 1964 (superseded subsequent subgeneric combination)
      12. Species Scolelepis (Parascolelepis) tridentata (Southern, 1914) represented as Scolelepis tridentata (Southern, 1914)
    2. Subgenus Scolelepis (Scolelepis) Blainville, 1828
      1. Species Scolelepis (Scolelepis) acuta (Treadwell, 1914)
      2. Species Scolelepis (Scolelepis) aitutakii Gibbs, 1972
      3. Species Scolelepis (Scolelepis) andradei Delgado-Blas, Diaz & Linero-Arana, 2010
      4. Species Scolelepis (Scolelepis) angulata Zhou, 2014
      5. Species Scolelepis (Scolelepis) balihaiensis Hartmann-Schröder, 1979
      6. Species Scolelepis (Scolelepis) bifida Hutchings & Turvey, 1984
      7. Species Scolelepis (Scolelepis) blakei Hartmann-Schröder, 1980
      8. Species Scolelepis (Scolelepis) branchia Imajima, 1992
      9. Species Scolelepis (Scolelepis) brevibranchia Hartmann-Schröder, 1991
      10. Species Scolelepis (Scolelepis) cantabra (Rioja, 1918)
      11. Species Scolelepis (Scolelepis) crenulata Hartmann-Schröder, 1991
      12. Species Scolelepis (Scolelepis) daphoinos Zhou, Ji & Li, 2009
      13. Species Scolelepis (Scolelepis) denmarkensis Hartmann-Schröder, 1983
      14. Species Scolelepis (Scolelepis) dicha Hutchings, Frouin & Hily, 1998
      15. Species Scolelepis (Scolelepis) edmondsi Hutchings & Turvey, 1984
      16. Species Scolelepis (Scolelepis) eltaninae Blake, 1983
      17. Species Scolelepis (Scolelepis) foliosa (Audouin & Milne Edwards, 1833)
      18. Species Scolelepis (Scolelepis) globosa Wu & Chen, 1964
      19. Species Scolelepis (Scolelepis) inversa Meißner & Götting, 2015
      20. Species Scolelepis (Scolelepis) kudenovi Hartmann-Schröder, 1981
      21. Species Scolelepis (Scolelepis) laciniata Eibye-Jacobsen, 1997
      22. Species Scolelepis (Scolelepis) lighti Delgado-Blas, 2006
      23. Species Scolelepis (Scolelepis) lingulata Imajima, 1992
      24. Species Scolelepis (Scolelepis) magnus Ozolinsh, 1990
      25. Species Scolelepis (Scolelepis) melasma Hutchings, Frouin & Hily, 1998
      26. Species Scolelepis (Scolelepis) neglecta Surugiu, 2016
      27. Species Scolelepis (Scolelepis) occidentalis (Hartman, 1961)
      28. Species Scolelepis (Scolelepis) pettiboneae Maciolek, 1987
      29. Species Scolelepis (Scolelepis) planata Imajima, 1992
      30. Species Scolelepis (Scolelepis) quadridentata Maciolek, 1987
      31. Species Scolelepis (Scolelepis) rubra Lee & Min, 2022
      32. Species Scolelepis (Scolelepis) sagittaria Imajima, 1992
      33. Species Scolelepis (Scolelepis) squamata (O.F. Muller, 1806)
      34. Species Scolelepis (Scolelepis) unidentata (Day, 1973)
      35. Species Scolelepis (Scolelepis) variegata Imajima, 1992
      36. Species Scolelepis (Scolelepis) vossae Delgado-Blas, 2006
      37. Species Scolelepis (Scolelepis) westoni Maciolek, 1987
      38. Species Scolelepis (Scolelepis) texana Foster, 1971 accepted as Scolelepis (Parascolelepis) texana Foster, 1971
    3. Species Scolelepis agilis (Verrill, 1873)
    4. Species Scolelepis alaskensis (Treadwell, 1914)
    5. Species Scolelepis alisonae Williams, 2007
    6. Species Scolelepis anakenae Rozbaczylo & Castilla, 1988
    7. Species Scolelepis antipoda (Augener, 1926)
    8. Species Scolelepis bellani Surugiu, 2023
    9. Species Scolelepis bonnieri (Mesnil, 1896)
    10. Species Scolelepis bullibranchia Rossi, 1982
    11. Species Scolelepis burkovskii Sikorski, 1994
    12. Species Scolelepis carunculata Blake & Kudenov, 1978
    13. Species Scolelepis chilensis (Hartmann-Schröder, 1962)
    14. Species Scolelepis faughni (Gallardo, 1968)
    15. Species Scolelepis finmarchicus Sikorski & Pavlova, 2015
    16. Species Scolelepis gaucha (Orensanz & Gianuca, 1974)
    17. Species Scolelepis goodbodyi (Jones, 1962)
    18. Species Scolelepis hutchingsae Dauer, 1985
    19. Species Scolelepis knightjonesi (Silva, 1961)
    20. Species Scolelepis korsuni Sikorski, 1994
    21. Species Scolelepis lamellata (McIntosh, 1909)
    22. Species Scolelepis lamellicincta Blake & Kudenov, 1978
    23. Species Scolelepis laonicola (Tzetlin, 1985)
    24. Species Scolelepis lefebvrei (Gravier, 1905)
    25. Species Scolelepis longirostris (Quatrefages, 1843)
    26. Species Scolelepis magnicornuta Williams, 2007
    27. Species Scolelepis marionis Branch, 1998
    28. Species Scolelepis mesnili (Bellan & Lagardère, 1971)
    29. Species Scolelepis minuta (Treadwell, 1939)
    30. Species Scolelepis occipitalis Blake & Kudenov, 1978
    31. Species Scolelepis oligobranchia (Chlebovitsch, 1959)
    32. Species Scolelepis perrieri (Fauvel, 1902)
    33. Species Scolelepis phyllobranchia Blake & Kudenov, 1978
    34. Species Scolelepis precirriseta Blake & Kudenov, 1978
    35. Species Scolelepis tridentata (Southern, 1914)
    36. Species Scolelepis vazaha Eibye-Jacobsen & Soares, 2000
    37. Species Scolelepis victoriensis Blake & Kudenov, 1978
    38. Species Scolelepis villosivaina Williams, 2007
    39. Species Scolelepis viridis Blake & Kudenov, 1978
    40. Species Scolelepis vulgaris (Johnston, 1827)
    41. Species Scolelepis williami (de Silva, 1961)
    42. Subgenus Scolelepis (Nerinides) (Mesnil, 1896) accepted as Scolelepis (Scolelepis) Blainville, 1828 (superseded )
      1. Species Scolelepis (Nerinides) bousfieldi Pettibone, 1963 accepted as Scolelepis (Parascolelepis) bousfieldi Pettibone, 1963 (superseded original combination)
      2. Species Scolelepis (Nerinides) globosa Wu & Chen, 1964 accepted as Scolelepis (Scolelepis) globosa Wu & Chen, 1964 (superseded original subgeneric combination)
      3. Species Scolelepis (Nerinides) edmondsi Hutchings & Turvey, 1984 represented as Scolelepis (Scolelepis) edmondsi Hutchings & Turvey, 1984
    43. Species Scolelepis blakei Carrasco, 1981 accepted as Scolelepis (Parascolelepis) carrascoi Maciolek, 1987 (replaced junior homonym)
    44. Species Scolelepis ciliata (Keferstein, 1862) accepted as Malacoceros tetracerus (Schmarda, 1861) (superseded combination of subjective synonym)
    45. Species Scolelepis derjugini Uschakov, 1948 accepted as Malacoceros derjugini (Uschakov, 1948) (superseded original combination)
    46. Species Scolelepis foliosus [auct.] accepted as Scolelepis (Scolelepis) foliosa (Audouin & Milne Edwards, 1833) (incorrect subsequent spelling)
    47. Species Scolelepis fuliginosa (Claparède, 1868) accepted as Malacoceros fuliginosus (Claparède, 1868) (incorrect combination)
      1. Subspecies Scolelepis fuliginosa macrochaeta Mesnil, 1896 (uncertain > taxon inquirendum)
    48. Species Scolelepis girardi (Quatrefages, 1843) accepted as Malacoceros girardi Quatrefages, 1843 (superseded recombination)
    49. Species Scolelepis indica Fauvel, 1928 accepted as Malacoceros indicus (Fauvel, 1928) (superseded original combination)
    50. Species Scolelepis lefebrei [auct. misspelling] accepted as Scolelepis lefebvrei (Gravier, 1905) (misspelling for lefebvrei)
    51. Species Scolelepis matsugae Sikorski, 1994 accepted as Scolelepis laonicola (Tzetlin, 1985) (subjective synonym)
    52. Species Scolelepis murmanica Zachs in Uschakov, 1948 accepted as Malacoceros tetracerus (Schmarda, 1861) (subjective synonym)
    53. Species Scolelepis squamatus [auct.] accepted as Scolelepis (Scolelepis) squamata (O.F. Muller, 1806) (incorrect subsequent spelling)
    54. Species Scolelepis acuta (Treadwell, 1914) represented as Scolelepis (Scolelepis) acuta (Treadwell, 1914) (to nominal subgenus )
    55. Species Scolelepis eltaninae Blake, 1983 represented as Scolelepis (Scolelepis) eltaninae Blake, 1983
      1. Subspecies Scolelepis eltaninae nudipalpa Cantone & Di Pietro, 2001
    56. Species Scolelepis foliosa (Audouin & Milne Edwards, 1833) represented as Scolelepis (Scolelepis) foliosa (Audouin & Milne Edwards, 1833)
      1. Subspecies Scolelepis foliosa occidentalis (Hartman, 1961) accepted as Scolelepis (Scolelepis) occidentalis (Hartman, 1961) (unaccepted > superseded combination, superseded subsequent combination)
    57. Species Scolelepis melasma Hutchings, Frouin & Hily, 1998 represented as Scolelepis (Scolelepis) melasma Hutchings, Frouin & Hily, 1998
    58. Species Scolelepis quinquedentata (Blake, 1983) represented as Scolelepis (Parascolelepis) quinquedentata (Hartmann-Schröder, 1965)
    59. Species Scolelepis squamata (Müller, 1806) represented as Scolelepis (Scolelepis) squamata (O.F. Muller, 1806)
      1. Subspecies Scolelepis squamata mendanai Gibbs, 1971
      2. Subspecies Scolelepis squamata saipanensis (Hartman, 1954)
    60. Species Scolelepis towra Blake & Kudenov, 1978 represented as Scolelepis (Parascolelepis) towra Blake & Kudenov, 1978
  34. Genus Spio Fabricius, 1785
    1. Species Spio aequalis Ehlers, 1904
    2. Species Spio armata (Thulin, 1957)
    3. Species Spio arndti Meißner, Bick & Bastrop, 2011
    4. Species Spio bengalensis Willey, 1908
    5. Species Spio blakei Maciolek, 1990
    6. Species Spio borealis Okuda, 1937
    7. Species Spio butleri Berkeley & Berkeley, 1954
      1. Subspecies Spio butleri kurilensis Buzhinskaya, 1990 accepted as Spio kurilensis Buzhinskaya, 1990 (rank change)
    8. Species Spio celata Dalyell, 1853
    9. Species Spio cirrifera (Banse & Hobson, 1968)
    10. Species Spio decorata Bobretzky, 1870
    11. Species Spio filicornis (Müller, 1776)
      1. Subspecies Spio filicornis pacifica Berkeley, 1936
      2. Subspecies Spio filicornis picta Zachs, 1933 accepted as Spio picta Zachs, 1933 (rank change)
    12. Species Spio goniocephala Thulin, 1957
    13. Species Spio gorbunovi Averincev, 1990
    14. Species Spio kurilensis Buzhinskaya, 1990
    15. Species Spio limicola Verrill, 1879
    16. Species Spio maciolekae Blake, 1996
    17. Species Spio maculata (Hartman, 1961)
    18. Species Spio malmgreni Sikorski in Jirkov, 2001
    19. Species Spio martinensis Mesnil, 1896
      1. Subspecies Spio martinensis pacifica Berkeley, 1927 accepted as Spio filicornis pacifica Berkeley, 1936 (superseded original combination)
    20. Species Spio mesnili Augener, 1914
    21. Species Spio multioculata (Rioja, 1918)
    22. Species Spio obtusa Ehlers, 1913
    23. Species Spio ornatus Perejaslavtseva, 1891
    24. Species Spio parva (Dalyell, 1853)
    25. Species Spio pettiboneae Foster, 1971
    26. Species Spio picta Zachs, 1933
    27. Species Spio pigmentata Lee, Meißner, Yoon & Min, 2021
    28. Species Spio quadrisetosa Blake, 1983
    29. Species Spio readi Blake, 1984
    30. Species Spio seticornis (Linnaeus, 1767)
    31. Species Spio setosa Verrill, 1873
    32. Species Spio singularis Blake & Kudenov, 1978
    33. Species Spio symphyta Meißner, Bick & Bastrop, 2011
    34. Species Spio theeli (Söderström, 1920)
      1. Subspecies Spio theeli kolaensis (Zachs, 1925)
    35. Species Spio thulini Maciolek, 1990
    36. Species Spio tridentata Hutchings & Turvey, 1984
    37. Species Spio tzetlini Sikorski in Jirkov, 2001
    38. Species Spio unidentata Chlebovitsch, 1959
    39. Subgenus Spio (Microspio) Mesnil, 1896 accepted as Microspio Mesnil, 1896 (superseded rank downgrade to subgenus)
      1. Species Spio (Microspio) gaucha Orensanz & Gianuca, 1974 accepted as Scolelepis gaucha (Orensanz & Gianuca, 1974) (superseded original combinaiton)
      2. Species Spio (Microspio) mecznikowiana (Claparède, 1869) accepted as Microspio mecznikowiana (Claparède, 1869) (superseded subsequent combination)
    40. Species Spio acuta Treadwell, 1914 accepted as Scolelepis (Scolelepis) acuta (Treadwell, 1914) (superseded original combination)
    41. Species Spio africana (Rullier, 1964) accepted as Dispio africana (Rullier, 1964) (superseded recombination)
    42. Species Spio arctica (Soderstrom, 1920) accepted as Spio limicola Verrill, 1879 (subjective synonym)
    43. Species Spio atlanticus Langerhans, 1880 accepted as Microspio atlantica (Langerhans, 1880) (superseded original combination)
    44. Species Spio bombyx Claparède, 1870 accepted as Spiophanes bombyx (Claparède, 1870) (superseded original combination)
    45. Species Spio calcarea Templeton, 1836 accepted as Polydora calcarea (Templeton, 1836) (superseded original combination)
    46. Species Spio caudatus Lamarck, 1818 accepted as Polydora cornuta Bosc, 1802 (superfluous replacement name)
    47. Species Spio caudatus sensu Delle Chiaje, 1827 accepted as Neanthes acuminata (Ehlers, 1868) (misidentification)
    48. Species Spio cirrata König [pre-Linnaean] accepted as Amphitrite cirrata Müller, 1776 (objective synonym, pre-Linnaean)
    49. Species Spio coccineus Delle Chiaje, 1822 accepted as Platynereis coccinea (Delle Chiaje, 1822) (superseded original combination)
    50. Species Spio decoratus Bobretzky, 1870 accepted as Spio decorata Bobretzky, 1870 (mandatory gender agreement requires 'decorata')
    51. Species Spio fuliginosus Claparède, 1868 accepted as Malacoceros fuliginosus (Claparède, 1868) (superseded original combination)
    52. Species Spio gattyi McIntosh, 1909 accepted as Spio filicornis (Müller, 1776) (subjective synonym)
    53. Species Spio hirsuta Treadwell, 1928 accepted as Scolelepis (Scolelepis) squamata (O.F. Muller, 1806) (subjective synonym)
    54. Species Spio inversa Kuhlgatz, 1898 accepted as Pygospio elegans Claparède, 1863 (subjective synonym)
    55. Species Spio jirkovi (Sikorski, 1993) accepted as Malacoceros jirkovi Sikorski, 1993 (superseded recombination)
    56. Species Spio laevicornis Rathke, 1837 accepted as Malacoceros laevicornis (Rathke, 1837) (superseded original combination)
    57. Species Spio magnus Day, 1955 accepted as Dispio magna (Day, 1955) (superseded original combination)
    58. Species Spio mecznikowianus Claparède, 1869 accepted as Microspio mecznikowiana (Claparède, 1869) (superseded original combination)
    59. Species Spio mimus Chamberlin, 1920 accepted as Spio theeli (Söderström, 1920) (subjective synonym)
    60. Species Spio nemertinaeformis Czerniavsky, 1881 accepted as Saccocirrus papillocercus Bobretzky, 1872 (subjective synonym)
    61. Species Spio pacifica Blake & Kudenov, 1978 accepted as Spio blakei Maciolek, 1990 (junior primary homonym to Spio martinensis pacifica)
    62. Species Spio punctata Hartman, 1961 accepted as Malacoceros indicus (Fauvel, 1928) (subjective synonym)
    63. Species Spio quadricornis Lamarck, 1818 accepted as Spio crenaticornis Montagu, 1816 (missapplied superfluous name)
    64. Species Spio rathbuni Webster & Benedict, 1884 accepted as Pygospio elegans Claparède, 1863 (subjective synonym)
    65. Species Spio robusta Verrill, 1873 accepted as Spio setosa Verrill, 1873 (subjective synonym)
    66. Species Spio ventilabrum Delle Chiaje, 1827 accepted as Nereis ventilabrum (Delle Chiaje, 1827) (superseded original combination)
marine, brackish, fresh, terrestrial
recent only
Grube, Adolf Eduard. (1850). Die Familien der Anneliden. <em>Archiv für Naturgeschichte, Berlin.</em> 16(1): 249-364., available online at https://biodiversitylibrary.org/page/6958350
page(s): 314; note: originally as Spiodea [details]   
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Spionidae Grube, 1850. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=913 on 2024-06-01
Date
action
by
2004-12-21 15:54:05Z
created
db_admin
2008-03-26 11:36:43Z
changed
Fauchald, Kristian
2018-06-24 14:11:57Z
changed
Gil, João

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


original description Grube, Adolf Eduard. (1850). Die Familien der Anneliden. <em>Archiv für Naturgeschichte, Berlin.</em> 16(1): 249-364., available online at https://biodiversitylibrary.org/page/6958350
page(s): 314; note: originally as Spiodea [details]   

original description  (of Polydoridae Benham, 1896) Benham, W.B. 1896. The Archiannelida, Polychaeta, Myzostomaria, in S.F. Harmer and A.E. Shipley eds., The Cambridge Natural History: England, MacMillan and Co., Ltd., p. 241-344.
page(s): 323; note: for Polydora [details]   

identification resource Fauchald, K. (1977). The polychaete worms, definitions and keys to the orders, families and genera. <em>Natural History Museum of Los Angeles County: Los Angeles, CA (USA), Science Series.</em> 28:1-188., available online at http://www.vliz.be/imisdocs/publications/123110.pdf [details]   

identification resource Blake, J.A. 1996. Family Spionidae Grube, 1850. pages 81-223. IN: Blake, James A.; Hilbig, Brigitte; and Scott, Paul H. Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. 6 - The Annelida Part 3. Polychaeta: Orbiniidae to Cossuridae. Santa Barbara Museum of Natural History. Santa Barbara [details]   

identification resource Blake, J.A. 1980. Polychaeta Spionidae from American and Antarctic Seas. American Zoologist 20(4): 264. [details]   

identification resource Maciolek Blake, Nancy. 1983: Systematics of Atlantic Spionidae (Annelida: Polychaeta) with special reference to deep-water species. Ph. D. thesis. Boston University  [details]   

identification resource Abe, Hirokazu; Sato-Okoshi, Waka. (2021). Molecular identification and larval morphology of spionid polychaetes (Annelida, Spionidae) from northeastern Japan. <em>ZooKeys.</em> 1015: 1-86., available online at https://zookeys.pensoft.net/article/54387/list/9/
note: keys and photos of larvae [details]  Available for editors  PDF available [request] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Classification Classification of Spionidae into subfamilies has been relatively little used as, apart from the Polydora-group of genera, the groupings are not obvious. The Polydora-group are also seen as tribe Polydorini (polydorins) following Benham (1896) who created Polydoridae solely for the genus Polydora, based on the chaetiger 5 spines and a lack of branchiae on chaetigers 1-5.
Mesnil (1896) analysed the relationship of existing spionid genera, but did not assign subgroup names to them. Mesnil (1897) removed Disoma (now Trochochaeta) from Spionidae to Disomidae (now Trochochaetidae).

Söderström (1920) created subfamilies Spioninae, Nerininae, and Laonicinae.
Spioninae Söderström included Spio, Microspio, Pygospio, and Polydora (Boccardia was not mentioned, but it would also include Boccardia and the other Polydora-group genera). According to Blake (1996:82) these genera had thin-membraned eggs, long-headed sperm, and egg capsules, whereas all other spionids had thick-membraned eggs and short-headed sperm.
Nerininae Söderström included Nerine (now Scolelepis or Malacoceros), Colobranchus (now Malacoceros), Scolecolepis (now Scolelepis), and Aonides. Thus the current genera are Scolelepis, Malacoceros, and Aonides.
Laonicinae Söderström included Laonice, Prionospio, and Spiophanes.

As there are now about 40 valid Spionidae genera, Söderström's classification would require a new analysis to apply it further. Blake & Arnofsky (1999) could confirm only a clade for subfamily Spioninae in their morphological analysis. As yet (May 2021) there appears to be no molecular analysis which examines the relationship of the main spionid genera, or genera in apparently closely related families.

 [details]
    Definitions

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LanguageName 
English spiosspionidsspionid worms  [details]
German Haarwürmer  [details]
Japanese スピオ科  [details]
To Biological Information System for Marine Life (BISMaL) 
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