Traits Taxon list
Abarenicola affinis (Ashworth, 1903)
Abarenicola affinis affinis (Ashworth, 1902) represented as Abarenicola affinis (Ashworth, 1903)
Abarenicola affinis africana Wells, 1963
Abarenicola affinis chilensis Wells, 1963
Abarenicola affinis clarki Wells, 1963
Abarenicola assimilis (Ehlers, 1897)
Abarenicola assimilis insularum Wells, 1963 accepted as Abarenicola insularum Wells, 1963
Abarenicola brevior Wells, 1963
Abarenicola claparedei (Levinsen, 1884) accepted as Abarenicola claparedi (Levinsen, 1884)
Abarenicola claparedi (Levinsen, 1884)
Abarenicola claparedi oceanica (Healy & Wells, 1959)
Abarenicola claparedi vagabunda Healy & Wells, 1959
Abarenicola devia Wells, 1963
Abarenicola gilchristi Wells, 1963
Abarenicola haswelli Wells, 1963
Abarenicola insularum Wells, 1963
Abarenicola pacifica Healy & Wells, 1959
Abarenicola pusilla (Quatrefages, 1866)
Abderos minotaurus Schüller & Jirkov, 2013
Aberranta banyulensis Mackie, Pleijel & Rouse, 2005
Aberranta enigmatica Hartman, 1965
Aberranta palpata Wolf, 1987
Aberranta sulcata Mackie, Pleijel & Rouse, 2005
Abyssarya acus Bonifácio & Menot, 2018
Abyssocapitella commensalis Buzhinskaja & Smirnov, 2000
Abyssoclymene annularis Hartman, 1967
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
Acanthicolepis asperrima (M. Sars, 1861)
Acanthicolepis zibrowii Barnich & Fiege, 2010
Acanthobonellia miyajimai (Ikeda, 1904)
Acanthobonellia pirotanensis Jose, 1964
Acanthobonellia rollandoe Menon, DattaGupta & Johnson, 1964
Acanthohamingia ijimai (Ikeda, 1908)
Acanthohamingia shiplei Ikeda, 1910
Acanthopale perkinsi San Martín, 1986
Acerrotrupa aggregata Yu & Wang, 1981 †
Achaetobonellia maculata Fisher, 1953
Achaetobonellia ricei Biseswar, 2005
Acholoe squamosa (Delle Chiaje, 1827)
Aciculaspio anaximanderi Blake & Ramey-Balci, 2020
Aciculomarphysa comes Hartmann-Schröder in Hartmann-Schröder & Zibrowius, 1998
Aclymene gesae Buzhinskaja, 1995
Acmira catherinae (Laubier, 1967) represented as Aricidea (Acmira) catherinae Laubier, 1967
Acmira lopezi (Berkeley & Berkeley, 1956) represented as Aricidea (Acmira) lopezi Berkeley & Berkeley, 1956
Acmira simplex (Day, 1963) represented as Aricidea (Acmira) simplex Day, 1963
Acoetes bataensis Pettibone, 1989
Acoetes bicolor (Grube, 1877)
Acoetes congoensis Pettibone, 1989
Acoetes flagelliformis (Wesenberg-Lund, 1949)
Acoetes grubei (Kinberg, 1856)
Acoetes jogasimae (Izuka, 1912)
Acoetes magnifica Treadwell, 1929
Acoetes melanonota (Grube, 1876)
Acoetes mohammadi Pettibone, 1989
Acoetes mortenseni (Monro, 1928)
Acoetes pacifica (Treadwell, 1914)
Acoetes pleei Audouin & Milne Edwards, 1832
Acoetes southcarolinensis Pettibone, 1989
Acritagasyllis longichaetosus Lucas, San Martín & Sikorski, 2010
Acrocirrus aciculigerus Kudenov, 1976
Acrocirrus bansei Magalhães & Bailey-Brock, 2012
Acrocirrus columbianus Banse, 1979
Acrocirrus crassifilis Moore, 1923
Acrocirrus frontifilis (Grube, 1860)
Acrocirrus heterochaetus Annenkova, 1934
Acrocirrus incisa Kudenov, 1975
Acrocirrus muroranensis Okuda, 1934
Acrocirrus occipitalis Banse, 1979
Acrocirrus okotensis Imajima, 1963
Acrocirrus trisectus Banse, 1969
Acrocirrus uchidai Okuda, 1934
Acrocirrus validus Marenzeller, 1879
Acromegalomma acrophthalmos (Grube, 1878)
Acromegalomma adriaticum (Giangrande, Caruso, Mikac & Licciano, 2015)
Acromegalomma bioculatum (Ehlers, 1887)
Acromegalomma carunculatum (Tovar-Hernández & Salazar-Vallejo, 2008)
Acromegalomma cinctum (Fitzhugh, 2003)
Acromegalomma circumspectum (Moore, 1923)
Acromegalomma claparedei (Gravier, 1906)
Acromegalomma coloratum (Chamberlin, 1919)
Acromegalomma fauchaldi (Giangrande, Licciano & Gambi, 2007)
Acromegalomma georgiense (Tovar-Hernández & Carrera-Parra, 2011)
Acromegalomma gesae (Knight-Jones, 1997)
Acromegalomma heterops (Perkins, 1984)
Acromegalomma inflatum (Capa & Murray, 2009)
Acromegalomma interruptum (Capa & Murray, 2009)
Acromegalomma jubatum (Capa & Murray, 2015)
Acromegalomma kaikourense (Knight-Jones, 1997)
Acromegalomma lanigerum (Grube, 1846)
Acromegalomma lobiferum (Ehlers, 1887)
Acromegalomma longoventrale (Giangrande, Caruso, Mikac & Licciano, 2015)
Acromegalomma messapicum (Giangrande & Licciano, 2008)