Polychaeta Taxon list
Abyssinoe scopa [auct. lapsus] accepted as Abyssoninoe scopa (Fauchald, 1974)
Abyssoninoe abyssorum (McIntosh, 1885)
Abyssoninoe bidentata D'Alessandro, Cosentino, Giacobbe, Andaloro & Romeo, 2014
Abyssoninoe galatheae (Knox & Green, 1972)
Abyssoninoe hibernica (McIntosh, 1903)
Abyssoninoe orensanzi Hartmann-Schröder & Rosenfeldt, 1992
Abyssoninoe phuketensis Oug, 2002
Abyssoninoe scopa (Fauchald, 1974)
Abyssoninoe scopa aequilobata (Winsnes, 1981) accepted as Abyssoninoe hibernica (McIntosh, 1903)
Abyssoninoe winsnesae Frame, 1992
Aciculomarphysa comes Hartmann-Schröder in Hartmann-Schröder & Zibrowius, 1998
Aenone lithophaga Risso, 1826
Aglaura fulgida Lamarck, 1818 accepted as Oenone fulgida (Lamarck, 1818)
Aglaurides diphyllidia (Schmarda, 1861) accepted as Oenone diphyllidia Schmarda, 1861
Aglaurides erythraeensis Gravier, 1900 accepted as Oenone fulgida (Lamarck, 1818)
Aglaurides erythraeensis symmetrica Fauvel, 1914 accepted as Oenone fulgida (Lamarck, 1818)
Aglaurides fulgida (Savigny in Lamarck, 1818) accepted as Oenone fulgida (Lamarck, 1818)
Americonuphis casamiquelorum Orensanz, 1974 accepted as Australonuphis casamiquelorum (Orensanz, 1974)
Americonuphis magna (Andrews, 1891)
Americonuphis reesei Fauchald, 1973
Amphiro atlantica Kinberg, 1865 accepted as Marphysa atlantica (Kinberg, 1865)
Amphiro johnsoni Langerhans, 1880 accepted as Marphysa johnsoni (Langerhans, 1880)
Amphiro pacifica Rullier, 1972 accepted as Marphysa pacifica (Rullier, 1972)
Amphiro simplex Langerhans, 1884 accepted as Marphysa simplex (Langerhans, 1884)
Anchidorvillea moniliformis Hilbig & Blake, 1991
Anchinothria abranchiata (McIntosh, 1885) accepted as Anchinothria pycnobranchiata (McIntosh, 1885)
Anchinothria cirrobranchiata (Moore, 1903)
Anchinothria cobra (Chamberlin, 1919)
Anchinothria crassisetosa (Chamberlin, 1919)
Anchinothria fissurata (Fauchald, 1972)
Anchinothria glutinatrix (Ehlers, 1887)
Anchinothria hiatidentata (Moore, 1911)
Anchinothria macrobranchiata (McIntosh, 1885)
Anchinothria parvula Budaeva & Paxton, 2013
Anchinothria pourtalesii (Ehlers, 1879)
Anchinothria pycnobranchiata (McIntosh, 1885)
Anchinothria sombreriana (McIntosh, 1885)
Anchinothria tosaensis Imajima, 1999
Andiprion paxtonae Hints, Tonarová, Eriksson, Rubinstein & De la Puente, 2017 †
Andromache diphyllidia (Schmarda, 1861) accepted as Oenone diphyllidia Schmarda, 1861
Anisoceras bioculata Grube, 1856 accepted as Dorvillea bioculata (Grube, 1856)
Anisoceras rubra Grube, 1856 accepted as Dorvillea rubra (Grube, 1856)
Anisoceras vittata Grube, 1856 accepted as Dorvillea vittata (Grube, 1856)
Aotearia sulcaticeps Benham, 1927 (uncertain > taxon inquirendum )
Apodotrocha progenerans Westheide & Riser, 1983
Aponuphis annae Paxton, 2017
Aponuphis bellani Paxton, 2017
Aponuphis bilineata (Baird, 1870)
Aponuphis bilineata grubii (Marenzeller, 1886) accepted as Aponuphis grubii (Marenzeller, 1886)
Aponuphis brementi (Fauvel, 1916)
Aponuphis chistikovi Detinova, 1986
Aponuphis danicae Paxton, 2017
Aponuphis fauveli (Rioja, 1918) accepted as Aponuphis brementi (Fauvel, 1916)
Aponuphis grubii (Marenzeller, 1886)
Aponuphis ornata (Fauvel, 1928)
Aponuphis rigida (Claparède, 1868)
Aponuphis rubra (Langerhans, 1880) accepted as Aponuphis bilineata (Baird, 1870)
Aponuphis willsiei Cantone & Bellan, 1996
Aponuphis willsii [auct.] accepted as Aponuphis willsiei Cantone & Bellan, 1996
Apophryotrocha mutabiliseta Jumars, 1974
Arabella (Arabella) iricolor (Montagu, 1804) accepted as Arabella iricolor (Montagu, 1804)
Arabella (Arabella) pectinata Fauchald, 1970 accepted as Arabella pectinata Fauchald, 1970
Arabella (Arabella) protomutans Orensanz, 1990 accepted as Arabella protomutans Orensanz, 1990
Arabella (Arabella) pulvinata Zanol & Ruta, 2015
Arabella (Arabella) semimaculata (Moore, 1911) accepted as Arabella semimaculata (Moore, 1911)
Arabella (Cenothrix) mutans (Chamberlin, 1919)
Arabella (Cenothrix) robusta Zanol & Ruta, 2015
Arabella ampulliformis Darbyshire & Kara, 2024
Arabella aracaensis Steiner & Amaral, 2009
Arabella atlantica Crossland, 1924
Arabella attenuata Treadwell, 1906 accepted as Notocirrus attenuatus (Treadwell, 1906)
Arabella cincta Hartmann-Schröder, 1962
Arabella coeca Fauvel, 1940
Arabella debilis (Ehlers, 1887) accepted as Drilonereis debilis (Ehlers, 1887)
Arabella debilis maorica (Augener, 1924) accepted as Drilonereis maorica (Augener, 1924)
Arabella diversimaxillata Szaniawski & Gazdzicki, 1978 †
Arabella dubia Hansen, 1882 accepted as Lumbrineris janeirensis (Augener, 1934) accepted as Arabelloneris janeirensis (Augener, 1934)
Arabella endonata Emerson, 1974
Arabella geniculata (Claparède, 1868)
Arabella geniculata japonica Okuda, 1939
Arabella iricolor (Montagu, 1804)
Arabella iricolor caerulea (Schmarda, 1861)
Arabella iricolor iricolor (Montagu, 1804)
Arabella iridescens Treadwell, 1906
Arabella lagunae Chamberlin, 1919 accepted as Arabella iricolor (Montagu, 1804)
Arabella logani Crossland, 1924
Arabella longicirrata Hartmann-Schröder, 1979
Arabella longipedata Monro, 1931
Arabella maculata (Milne Edwards, 1836) accepted as Arabella iricolor (Montagu, 1804)
Arabella maculifera (Grube, 1878)
Arabella maculosa Verrill, 1900 accepted as Arabella iricolor (Montagu, 1804)
Arabella mimetica Chamberlin, 1919
Arabella monroi Colbath, 1989
Arabella multidentata (Ehlers, 1887) accepted as Arabella iricolor (Montagu, 1804)
Arabella munda Chamberlin, 1918 accepted as Arabella semimaculata (Moore, 1911)
Arabella mutans (Chamberlin, 1919)
Arabella nesidensis (Delle Chiaje, 1828)
Arabella novecrinita Crossland, 1924 accepted as Arabella mutans (Chamberlin, 1919)
Arabella novecrinita asymmetrica Crossland, 1924 accepted as Arabella atlantica Crossland, 1924
Arabella novecrinita atlantica Crossland, 1924 accepted as Arabella atlantica Crossland, 1924