IRMNG Taxon list
Abarbaris Rafinesque, 1815 (unaccepted > nomen nudum )
Abarenicola Wells, 1959
Abarenicola affinis (Ashworth, 1902)
Abarenicola assimilis (Ehlers, 1897)
Abarenicola claparedei (Levinsen, 1884)
Abarenicola claparedi (Levinsen, 1884)
Abarenicola claparedii [auctt.] accepted as Abarenicola claparedi (Levinsen, 1884)
Abarenicola clarki Wells, 1963
Abarenicola devia Wells, 1963
Abarenicola gilchristi Wells, 1963
Abarenicola haswelli Wells, 1963
Abarenicola insularum Wells, 1963
Abarenicola oceanica
Abarenicola pacifica Healy & Wells, 1959
Abarenicola pusilla (Quatrefages, 1866)
Abarenicola vagabunda Healy & Wells, 1959
Abderos Schüller & Jirkov, 2013
Aberranta Hartman, 1965
Aberranta banyulensis Mackie, Pleijel & Rouse, 2005
Aberranta enigmatica Hartman, 1965
Aberranta palpata Wolf, 1987
Aberranta sulcata Mackie, Pleijel & Rouse, 2005
Aberrantidae Wolf, 1987
Abessebdella Richardson, 1975 accepted as Chtonobdella Grube, 1866
Abranchus Johansson, 1896 accepted as Oceanobdella Caballero, 1956
Abranchus blenni Knight-Jones, 1940 accepted as Oceanobdella blenni (Knight-Jones, 1940)
Abranchus brunnea Johansson, 1896 accepted as Heptacyclus brunneus (Johansson, 1896)
Abranchus microstoma Johansson, 1896 accepted as Oceanobdella microstoma (Johansson, 1896)
Absyrtus Rafinesque, 1815 (unaccepted > nomen nudum )
Abyssarya Bonifácio & Menot, 2018
Abyssidrilus Erséus, 1992
Abyssidrilus altoides Erséus, 1992
Abyssidrilus altus (Erséus, 1980)
Abyssidrilus hessleri Erséus, 1989
Abyssidrilus opulentus Erséus, 1992
Abyssidrilus potens Erséus, 1992
Abyssidrilus profundus (Cook, 1970)
Abyssidrilus remus (Erséus, 1979)
Abyssidrilus segonzaci (Erséus, 1986)
Abyssidrilus stilus (Erséus, 1986)
Abyssinoe [auct.] accepted as Abyssoninoe Orensanz, 1990
Abyssinoe abyssorum (McIntosh, 1885) accepted as Abyssoninoe abyssorum (McIntosh, 1885)
Abyssinoe scopa accepted as Abyssoninoe scopa (Fauchald, 1974) sensu Miura, 1980
Abyssocapitella Buzhinskaja & Smirnov, 2000
Abyssocapitella commensalis Buzhinskaja & Smirnov, 2000
Abyssoclymene Hartman, 1967
Abyssoclymene annularis Hartman, 1967
Abyssoninoe Orensanz, 1990
Abyssoninoe abyssorum (McIntosh, 1885)
Abyssoninoe galatheae (Knox & Green, 1972)
Abyssoninoe hibernica (Mc Intosh, 1903)
Abyssoninoe phuketensis Oug, 2002
Abyssoninoe scopa (Fauchald, 1974) sensu Miura, 1980
Acaetes Malaquin & Dehorne, 1907 accepted as Acoetes Audouin & Milne Edwards, 1832
Acamarchis Rafinesque, 1815 (unaccepted > nomen nudum )
Acanthicolepis McIntosh, 1900
Acanthicolepis aequitis (McIntosh, 1885)
Acanthicolepis asperrima (M. Sars, 1861)
Acanthicolepis cousteaui Laubier, 1961
Acanthicolepis longicirrata Treadwell, 1941
Acanthobdella Grube, 1851
Acanthobdella peledina Grube, 1851
Acanthobdellida
Acanthobdellidae Livanow, 1905
Acanthobonellia Fisher, 1948
Acanthobonellia miyajimai (Ikeda, 1904)
Acanthobonellia pirotanensis José, 1964
Acanthobonellia rollandoe Menon, Datta-Gupta & Johnson, 1964
Acanthodrilidae Claus, 1990
Acanthodrilus Perrier, 1872
Acanthodrilus australis Michaelsen, 1889 accepted as Diplotrema australis (Michaelsen, 1889)
Acanthodrilus eremius Spencer, 1900
Acanthodrilus kermadecensis Lee, 1953
Acanthodrilus macleayi Fletcher, 1890 accepted as Diplotrema macleayi (Fletcher, 1890)
Acanthodrilus macquariensis Beddard, 1896 accepted as Microscolex macquariensis (Beddard, 1896)
Acanthodrilus schmardae Beddard, 1892 accepted as Diplotrema schmardae (Beddard, 1892)
Acanthohamingia Ikeda, 1910
Acanthohamingia aijimai (Ikeda, 1908)
Acanthohamingia ijimai (Ikeda, 1908)
Acanthohamingia paradolum Fisher, 1946 accepted as Alomasoma paradolum (W.K. Fisher, 1946)
Acanthohamingia shiplei Ikeda, 1910
Acanthopale San Martín, 1986
Acanthopale perkinsi San Martin, 1986
Acanthostoma Fischer-Waldheim, 1813 (uncertain )
Acastea Rafinesque, 1815 (unaccepted > nomen nudum )
Aceeca Blakemore, 2000
Aceeca dee Blakemore, 2000
Aceronereis de Blainville, 1818 (uncertain )
Acerrotrupa Yu & Wang, 1981 †
Acerrotrupa aggregata Yu & Wang, 1981 †
Acesta Strel'tzov, 1973 accepted as Aricidea Webster, 1879
Acesta assimilis accepted as Acmira assimilis
Acesta catherinae accepted as Acmira catherinae (Laubier, 1967)
Acesta cerruti accepted as Acmira cerruti
Acesta finitima accepted as Acmira finitima (Strelzov, 1973)
Acesta horikoshii accepted as Acmira horikoshii
Acesta lopezi accepted as Acmira lopezi (Berkeley & Berkeley, 1956)
Acesta simplex accepted as Acmira simplex (Day, 1963)
Acestus Leidy, 1851 (uncertain )
Achaeta Vejdovský, 1878