1. Subfamily Admetellinae Uschakov, 1977
   1. Genus Admetella McIntosh, 1885
   2. Genus Bathyadmetella Pettibone, 1967
2. Subfamily Arctonoinae Hanley, 1989
   1. Genus Adyte Saint-Joseph, 1899
   2. Genus Arctonoe Chamberlin, 1920
   3. Genus Asterophilia Hanley, 1989
   4. Genus Australaugeneria Pettibone, 1969
   5. Genus Bathynoe Ditlevsen, 1917
   6. Genus Capitulatinoe Hanley & Burke, 1989
   7. Genus Disconatis Hanley & Burke, 1988
   8. Genus Gastrolepidia Schmarda, 1861
   9. Genus Medioantenna Imajima, 1997
   10. Genus Minusculisquama Pettibone, 1983
   11. Genus Neohololepidella Pettibone, 1969
   12. Genus Parabathynoe Pettibone, 1990
   13. Genus Parahololepidella Pettibone, 1969
   14. Genus Pottsiscalisetosus Pettibone, 1969
   15. Genus Showascalisetosus Imajima, 1997
   16. Genus Antipathipolyeunoa Pettibone, 1991 accepted as Parahololepidella Pettibone, 1969 (unaccepted > junior subjective synonym, subjective synonym)
   17. Genus Weberia Horst, 1915 accepted as Bathynoe Ditlevsen, 1917 (junior homonym)
3. Subfamily Eulagiscinae Pettibone, 1997
   1. Genus Bathymoorea Pettibone, 1967
   2. Genus Eulagisca McIntosh, 1885
   3. Genus Kristianides Salazar-Silva, 2020
   4. Genus Pareulagisca Pettibone, 1997
   5. Genus Pollentia Capa, Pons & Jaume, 2022
4. Subfamily Lepidastheniinae Pettibone, 1989
   1. Genus Alentiana Hartman, 1942
   2. Genus Anotochaetonoe Britayev & Martin, 2006
   3. Genus Benhamipolynoe Pettibone, 1970
   4. Genus Hyperhalosydna Augener, 1922
   5. Genus Lepidasthenia Malmgren, 1867
   6. Genus Lepidastheniella Monro, 1924
   7. Genus Lepidofimbria Hartman, 1967
   8. Genus Parahalosydna Horst, 1915
   9. Genus Perolepis Ehlers, 1908
   10. Genus Pseudopolynoe Day, 1962
   11. Genus Showapolynoe Imajima, 1997
   12. Genus Telolepidasthenia Augener & Pettibone, 1970
   13. Genus Bouchiria Wesenberg-Lund, 1949 accepted as Lepidasthenia Malmgren, 1867 (subjective synonym)
   14. Genus Harmopsides Chamberlin, 1919 accepted as Lepidasthenia Malmgren, 1867 (subjective synonym)
   15. Genus Lucopia Pillai, 1965 accepted as Hyperhalosydna Augener, 1922 (subjective synonym)
   16. Genus Nectochaeta Marenzeller, 1892 accepted as Lepidasthenia Malmgren, 1867 (subjective synonym [type moved elsewhere])
5. Subfamily Lepidonotinae Willey, 1902
   1. Genus Alentia Malmgren, 1865
   2. Genus Allmaniella McIntosh, 1885
   3. Genus Augenerilepidonotus Pettibone, 1995
   4. Genus Cervilia Frickhinger, 1916
   5. Genus Chaetacanthus Seidler, 1922
   6. Genus Dilepidonotus Hartman, 1967
   7. Genus Drieschiopsis Støp-Bowitz, 1991
   8. Genus Euphione McIntosh, 1885
   9. Genus Euphionella Monro, 1936
   10. Genus Halosydna Kinberg, 1856
   11. Genus Halosydnella Hartman, 1938
   12. Genus Halosydnopsis Uschakov & Wu, 1959
   13. Genus Hermenia Grube, 1856
   14. Genus Hermilepidonotus Uschakov, 1974
   15. Genus Heteralentia Hanley & Burke, 1991
   16. Genus Hololepida Moore, 1905
   17. Genus Lepidametria Webster, 1879
   18. Genus Lepidonopsis Pettibone, 1977
   19. Genus Lepidonotus Leach, 1816
   20. Genus Nonparahalosydna Uschakov, 1982
   21. Genus Olgalepidonotus Pettibone, 1995
   22. Genus Parahalosydnopsis Pettibone, 1977
   23. Genus Pseudohalosydna Fauvel, 1913
   24. Genus Sheila Monro, 1930
   25. Genus Telodrieschia Kirkegaard, 1995
   26. Genus Thormora Baird, 1865
   27. Genus Almaniella Darboux, 1899 accepted as Allmaniella McIntosh, 1885 (Lapsus for Allmaniella McIntosh)
   28. Genus Driechiopsis [auctt.] accepted as Drieschiopsis Støp-Bowitz, 1991 (misspelling)
   29. Genus Eumolpe Oken, 1807 accepted as Lepidonotus Leach, 1816 (nomen oblitum in relation to Lepidonotus, nomen protectum)
   30. Genus Lepidonote [auct. misspelling for Lepidonotus] accepted as Lepidonotus Leach, 1816 (genus misspelling)
   31. Genus Physalidonotus Ehlers, 1904 accepted as Euphione McIntosh, 1885 (subjective synonym)
   32. Genus Polinoe Risso, 1826 accepted as Lepidonotus Leach, 1816 (subjective synonymy of only species)
6. Subfamily Macellicephalinae Hartmann-Schröder, 1971
   1. Genus Abyssarya Bonifácio & Menot, 2018
   2. Genus Bathybahamas Pettibone, 1985
   3. Genus Bathycanadia Levenstein, 1981
   4. Genus Bathycatalina Pettibone, 1976
   5. Genus Bathyedithia Pettibone, 1976
   6. Genus Bathyeliasona Pettibone, 1976
   7. Genus Bathyfauvelia Pettibone, 1976
   8. Genus Bathykermadeca Pettibone, 1976
   9. Genus Bathylevensteina Pettibone, 1976
   10. Genus Bathymacella Pettibone, 1976
   11. Genus Bathymariana Levenstein, 1978
   12. Genus Bathymiranda Levenstein, 1981
   13. Genus Bathypolaria Levenstein, 1981
   14. Genus Bathytasmania Levenstein, 1982
   15. Genus Bathyvitiazia Pettibone, 1976
   16. Genus Branchiplicatus Pettibone, 1985
   17. Genus Bruunilla Hartman, 1971
   18. Genus Diplaconotum Loshamn, 1981
   19. Genus Gesiella Pettibone, 1976
   20. Genus Hodor Bonifácio & Menot, 2018
   21. Tribe Lepidonotopodini Pettibone, 1983
       1. Genus Bathykurila Pettibone, 1976
       2. Genus Branchinotogluma Pettibone, 1985
       3. Genus Branchipolynoe Pettibone, 1984
       4. Genus Cladopolynoe Hiley & Rouse in Hiley, Koch & Rouse, 2024
       5. Genus Lepidonotopodium Pettibone, 1983
       6. Genus Levensteiniella Pettibone, 1985
       7. Genus Mamiwata Hiley & Rouse in Hiley, Koch & Rouse, 2024
       8. Genus Peinaleopolynoe Desbruyères & Laubier, 1988
       9. Genus Photinopolynoe Hiley & Rouse in Hiley, Koch & Rouse, 2024
       10. Genus Stratigos Hiley & Rouse in Hiley, Koch & Rouse, 2024
       11. Genus Themis Hiley & Rouse in Hiley, Koch & Rouse, 2024
       12. Genus Thermopolynoe Miura, 1994
   22. Tribe Macellicephalini Hartmann-Schröder, 1971
       1. Genus Macellicephala McIntosh, 1885
   23. Genus Macellicephaloides Uschakov, 1955
   24. Genus Macelloides Uschakov, 1957
   25. Genus Natopolynoe Pettibone, 1985
   26. Genus Nu Bonifácio & Menot, 2018
   27. Genus Pelagomacellicephala Pettibone, 1985
   28. Genus Polaruschakov Pettibone, 1976
   29. Genus Vampiropolynoe Marcus & Hourdez, 2002
   30. Genus Yodanoe Bonifácio & Menot, 2018
   31. Genus Austropolaria Neal, Barnich, Wiklund & Glover, 2012 accepted as Bathypolaria Levenstein, 1981 (subjective synonym)
   32. Genus Branchiopolynoe [auctt.] accepted as Branchipolynoe Pettibone, 1984 (misspelling for Branchipolynoe)
   33. Genus Macella Averincev, 1972 accepted as Bathymacella Pettibone, 1976 (junior homonym)
   34. Genus Oligolepis Levinsen, 1886 accepted as Macellicephala McIntosh, 1885 (junior homonym, type and only species referred to another genus)
   35. Genus Opisthotrochopodus Pettibone, 1985 accepted as Branchinotogluma Pettibone, 1985 (male morph subjective synonym)
   36. Genus Penaleopolynoe [auctt.] accepted as Peinaleopolynoe Desbruyères & Laubier, 1988 (misspelling for Peinaleopolynoe)
7. Subfamily Polynoinae Kinberg, 1856
   1. Genus Acanthicolepis McIntosh, 1900
   2. Genus Acholoe Claparède, 1870
   3. Genus Antarctinoe Barnich, Fiege, Micaletto & Gambi, 2006
   4. Genus Antinoe Kinberg, 1856
   5. Genus Arcteobia Annenkova, 1937
   6. Genus Arctonoella Buzhinskaja, 1967
   7. Genus Australonoe Hanley, 1993
   8. Genus Austrolaenilla Bergström, 1916
   9. Genus Barnichia Salazar-Vallejo, 2024
   10. Genus Barrukia Bergström, 1916
   11. Genus Bathynotalia Levenstein, 1982
   12. Genus Bayerpolynoe Pettibone, 1991
   13. Genus Brychionoe Hanley & Burke, 1991
   14. Genus Bylgides Chamberlin, 1919
   15. Genus Ceuthonoe Wang, Zhou & Wang, 2021
   16. Genus Enipo Malmgren, 1865
   17. Genus Eucranta Malmgren, 1865
   18. Genus Eunoe Malmgren, 1865
   19. Genus Gattyana McIntosh, 1897
   20. Genus Gaudichaudius Pettibone, 1986
   21. Genus Gorekia Bergström, 1916
   22. Genus Gorgoniapolynoe Pettibone, 1991
   23. Genus Grubeopolynoe Pettibone, 1969
   24. Genus Harmothoe Kinberg, 1856
   25. Genus Hartmania Pettibone, 1955
   26. Genus Hemilepidia Schmarda, 1861
   27. Genus Hermadion Kinberg, 1856
   28. Genus Hermadionella Uschakov, 1982
   29. Genus Hesperonoe Chamberlin, 1919
   30. Genus Heteropolynoe Bidenkap, 1907
   31. Genus Hololepidella Willey, 1905
   32. Genus Intoshella Darboux, 1899
   33. Genus Kermadecella Darboux, 1899
   34. Genus Lagisca Malmgren, 1865
   35. Genus Leucia Malmgren, 1867
   36. Genus Lobopelma Hanley, 1987
   37. Genus Malmgrenia McIntosh, 1874
   38. Genus Malmgreniella Hartman, 1967
   39. Genus Melaenis Malmgren, 1865
   40. Genus Neobylgides Pettibone, 1993
   41. Genus Neolagisca Barnich & Fiege, 2000
   42. Genus Neopolynoe Loshamn, 1981
   43. Genus Paradyte Pettibone, 1969
   44. Genus Paragattyana Pettibone, 1993
   45. Genus Paralentia Uschakov, 1982
   46. Genus Paralepidonotus Horst, 1915
   47. Genus Pararctonoella Pettibone, 1996
   48. Genus Pettibonesia Nemésio, 2006
   49. Genus Polyeunoa McIntosh, 1885
   50. Genus Polynoe Lamarck, 1818
   51. Genus Robertianella McIntosh, 1885
   52. Genus Rullieriella Pettibone, 1993
   53. Genus Russellhanleya Barnich, Fiege & Sun, 2004
   54. Genus Scalisetosus McIntosh, 1885
   55. Genus Subadyte Pettibone, 1969
   56. Genus Tenonia Nichols, 1969
   57. Genus Tottonpolynoe Pettibone, 1991
   58. Genus Verrucapelma Hanley & Burke, 1991
   59. Genus Webbnesia Núñez, Barnich & Monterroso, 2022
   60. Genus Ysideria Ruff, 1995
   61. Genus Andresia Prenant, 1924 accepted as Harmothoe Kinberg, 1856 (subjective synonym, unreplaced junior homonym)
   62. Genus Antinoana Hartman & Fauchald, 1971 accepted as Bylgides Chamberlin, 1919 (subjective synonym)
   63. Genus Antinoella Augener, 1928 accepted as Bylgides Chamberlin, 1919 (superseded subsequent rank of subjective synonym)
   64. Genus Bylgia Théel, 1879 accepted as Bylgides Chamberlin, 1919 (synonym)
   65. Genus Dasylepis Malmgren, 1867 accepted as Acanthicolepis McIntosh, 1900 (replaced homonym)
   66. Genus Eunoa [auctt. misspelling for Eunoe] accepted as Eunoe Malmgren, 1865 (incorrect subsequent spelling)
   67. Genus Eupolynoe Bidenkap, 1895 accepted as Neopolynoe Loshamn, 1981 (junior homonym, replaced by Neopolynoe)
   68. Genus Evarne Malmgren, 1865 accepted as Harmothoe Kinberg, 1856 (Homonym, replacement Evarnella a synonym)
   69. Genus Evarnella Chamberlin, 1919 accepted as Harmothoe Kinberg, 1856 (subjective synonym)
   70. Genus Laenilla Malmgren, 1865 accepted as Harmothoe Kinberg, 1856 (subjective synonym, in part at least in Harmothoe)
   71. Genus Monocolea Costa, 1862 accepted as Malmgrenia McIntosh, 1874 (subjective synonymy of only species)
   72. Genus Nemidia Malmgren, 1865 accepted as Enipo Malmgren, 1865 (subjective synonym)
   73. Genus Nychia Malmgren, 1865 accepted as Gattyana McIntosh, 1897 (replaced junior homonym)
   74. Genus Paranychia Czerniavsky, 1882 accepted as Harmothoe Kinberg, 1856 (subjective synonym)
   75. Genus Parapolynoe Czerniavsky, 1882 accepted as Polynoe Lamarck, 1818 (subjective synonymy of only species)
   76. Genus Parmenis Malmgren, 1867 accepted as Malmgrenia McIntosh, 1874 (subjective synonym)
   77. Genus Polyeunoe [auct. misspelling] accepted as Polyeunoa McIntosh, 1885 (lapsus)
   78. Genus Polynoa [subsequent misspelling of Polynoe] accepted as Polynoe Lamarck, 1818 (spelling variant used by Carrington & others)
   79. Genus Tricosmochaeta Morgera, 1918 accepted as Harmothoe Kinberg, 1856 (subjective synonymy of only species)
   80. Genus Wilsoniella Pettibone, 1993 accepted as Pettibonesia Nemésio, 2006 (replaced junior homonym)
8. Subfamily Uncopolynoinae Wehe, 2006
   1. Genus Uncopolynoe Hartmann-Schröder, 1960
9. Subfamily Acholoinae Pettibone, 1996 accepted as Polynoinae Kinberg, 1856 (subjective synonym)
10. Subfamily Bathyedithinae Pettibone, 1976 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
11. Subfamily Bathymacellinae Pettibone, 1976 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
12. Subfamily Branchinotogluminae Pettibone, 1985 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
13. Subfamily Branchiplicatinae Pettibone, 1985 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
14. Subfamily Branchipolynoinae Pettibone, 1984 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
15. Subfamily Gesiellinae Muir, 1982 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
16. Subfamily Harmothoinae Willey, 1902 accepted as Polynoinae Kinberg, 1856 (junior synonym)
17. Subfamily Macellicephaloidinae Pettibone, 1976 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
18. Subfamily Macelloidinae Pettibone, 1976 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
19. Subfamily Polaruschakovinae Pettibone, 1976 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
20. Subfamily Vampiropolynoinae Marcus & Hourdez, 2002 accepted as Macellicephalinae Hartmann-Schröder, 1971 (subjective synonym)
21. Subfamily Polynoidae incertae sedis (temporary name)
    1. Genus Bathyhololepidella Buzhinskaja, 1992
    2. Genus Benhamisetosus Averincev, 1978
    3. Genus Drieschella Augener & Pettibone, 1970
    4. Genus Lepidogyra Hartman, 1967
    5. Genus Ophthalmonoe Petersen & Britayev, 1997
    6. Genus Parapolyeunoa Barnich, Gambi & Fiege, 2012
    7. Genus Phyllantinoe McIntosh, 1876
    8. Genus Phyllohartmania Pettibone, 1961
    9. Genus Phyllosheila Pettibone, 1961
    10. Genus Podarmus Chamberlin, 1919
    11. Genus Polynoella McIntosh, 1885
    12. Genus Eupolynoe McIntosh, 1874 accepted as Arcteobia Annenkova, 1937 (superseded recombination of type species)
    13. Genus Hylosynda [Auct. genus misspelling] accepted as Halosydna Kinberg, 1856 (misspelling in Moore, 1903 for Halosydna Kinberg)
    14. Genus Plotolepis Chamberlin, 1919 accepted as Drieschia Michaelsen, 1892 (subjective synonym)
    15. Genus Chaetosphaera Häcker, 1898 (uncertain > taxon inquirendum, established for 2 larval forms)
    16. Genus Drieschia Michaelsen, 1892 (uncertain > taxon inquirendum, See note for the type species, Drieschia pelagica Michaelsen, 1892, based on a larval form )
    17. Genus Eumolphe Risso, 1826 (uncertain > taxon inquirendum, indeterminable; insufficiently described)
    18. Genus Frennia Viguier, 1912 (uncertain > taxon inquirendum, indeterminable; insufficiently described)
    19. Genus Herdmanella Darboux, 1899 (uncertain > nomen dubium)
    20. Genus Polynoina Nolte, 1936 (uncertain > nomen dubium, indeterminable larval form)
    21. Genus Quetieria Viguier, 1911 (uncertain > taxon inquirendum, based on a larval scaleworm)
    22. Genus Sinantenna Hartmann-Schröder, 1974 (uncertain > taxon inquirendum)

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