Traits Taxon list
Abyssura brevibrachia Belyaev & Litvinova, 1976
Acrocnida brachiata (Montagu, 1804)
Acrocnida fuscoalba (Brock, 1888)
Acrocnida semisquamata (Koehler, 1914)
Acrocnida spatulispina Stöhr & Muths, 2010
Acroura granulata Benecke, 1868 † accepted as Aplocoma granulata (Benecke, 1868) †
Actinozonella texturata (Lyman, 1883)
Aganaster cingulatus Easton, 1943 †
Aganaster fujianensis Liao & Wang, 2002 †
Aganaster gregarius (Meek & Worten, 1869) †
Aganaster huaanensis (Wu, 1980) †
Aganaster jagiellonicus Thuy, Kutscher & Plachno, 2014 †
Aganaster qingchangensis (Feng, 1985) †
Alternacantha arges Thuy, 2013 †
Alternacantha dilionessa Thuy, 2013 †
Alternacantha occulta Thuy & Meyer, 2012 †
Alternacantha schwermannorum Thuy, 2013 †
Amphichondrius granulatus (Lütken & Mortensen, 1899)
Amphichondrius laevis Ziesenhenne, 1940
Amphicontus minutus Hill, 1940
Amphicutis stygobita Pomory, Carpenter & Winter, 2011
Amphilepis guerini Cherbonnier & Guille, 1978
Amphilepis ingolfiana Mortensen, 1933
Amphilepis mobilis Koehler, 1904
Amphilepis neozelandica Mills & O'Hara, 2010
Amphilepis norvegica (Ljungman, 1865)
Amphilepis nuda Tommasi, 1976
Amphilepis papyracea Lyman, 1879
Amphilepis patens Lyman, 1879
Amphilepis pycnostoma (H.L. Clark, 1911)
Amphilepis scutata Mortensen, 1933
Amphilepis tenuis Lyman, 1879
Amphilepis teodorae Tommasi & Abreu, 1974
Amphilimna cribriformis A.M. Clark, 1974
Amphilimna granulosa Liao, 1989
Amphilimna intersepultosetme Thuy, Numberger-Thuy & Jagt, 2018 †
Amphilimna mirabilis (H.L. Clark, 1941)
Amphilimna multispina Koehler, 1922
Amphilimna nike (Schoener, 1967)
Amphilimna olivacea (Lyman, 1869)
Amphilimna polyacantha Liao, 1983
Amphilimna sinica Liao, 1989
Amphilimna tanyodes Devaney, 1974
Amphilimna transacta (Koehler, 1930)
Amphilimna valida (H.L. Clark, 1939)
Amphiodia (Amphiodia) fissa (Lütken, 1869)
Amphiodia (Amphiodia) orientalis Liao, 2004
Amphiodia (Amphiodia) picardi Cherbonnier & Guille, 1978 accepted as Ophionephthys difficilis (Duncan, 1887)
Amphiodia (Amphispina) digitata Nielsen, 1932
Amphiodia (Amphispina) duplicata (Koehler, 1930)
Amphiodia (Amphispina) loripes (Koehler, 1922)
Amphiodia (Amphispina) microplax Burfield, 1924
Amphiodia (Amphispina) obtecta Mortensen, 1940
Amphiodia (Amphispina) urtica (Lyman, 1860)
Amphiodia akosmos Hendler & Bundrick, 2001
Amphiodia atra (Stimpson, 1852) accepted as Microphiopholis atra (Stimpson, 1852)
Amphiodia crassa (Koehler, 1904)
Amphiodia craterodmeta H.L. Clark, 1911
Amphiodia cyclaspis Djakonov, 1935
Amphiodia debita Koehler, 1922
Amphiodia digitata Nielsen, 1932 represented as Amphiodia (Amphispina) digitata Nielsen, 1932
Amphiodia dividua Mortensen, 1933
Amphiodia fissa (Lütken, 1869) represented as Amphiodia (Amphiodia) fissa (Lütken, 1869)
Amphiodia frigida (Koehler, 1897)
Amphiodia grisea (Ljungman, 1867)
Amphiodia guillermosoberoni Caso, 1979
Amphiodia habilis Albuquerque, Campos-Creasey & Guille, 2001
Amphiodia microplax Burfield, 1924 represented as Amphiodia (Amphispina) microplax Burfield, 1924
Amphiodia minuta H.L. Clark, 1939
Amphiodia obtecta Mortensen, 1940 accepted as Amphiodia (Amphispina) obtecta Mortensen, 1940
Amphiodia occidentalis (Lyman, 1860)
Amphiodia oerstedi (Lütken, 1856)
Amphiodia olivacea (Brock, 1888)
Amphiodia orientalis Liao, 2004 represented as Amphiodia (Amphiodia) orientalis Liao, 2004
Amphiodia periercta H.L. Clark, 1911
Amphiodia picardi Cherbonnier & Guille, 1978 represented as Amphiodia (Amphiodia) picardi Cherbonnier & Guille, 1978 accepted as Ophionephthys difficilis (Duncan, 1887)
Amphiodia planispina (v. Martens, 1867)
Amphiodia platyspina Nielsen, 1932
Amphiodia psara H.L. Clark, 1935
Amphiodia pulchella (Lyman, 1869)
Amphiodia riisei (Lütken, 1859)
Amphiodia sculptilis Ziesenhenne, 1940
Amphiodia tabogae Nielsen, 1932
Amphiodia trychna H.L. Clark, 1918
Amphiodia urtica (Lyman, 1860) represented as Amphiodia (Amphispina) urtica (Lyman, 1860)
Amphiodia vicina H.L. Clark, 1940
Amphiodia violacea (Lütken, 1856)
Amphiomya notabilis H.L. Clark, 1939
Amphioncus platydiscus H.L. Clark, 1939
Amphiophiura abcisa (Lütken & Mortensen, 1899)
Amphiophiura antarctica Koehler, 1923
Amphiophiura bakeri McKnight, 2003
Amphiophiura bullata (Thomson, 1877)
Amphiophiura bullata vitjazi Litvinova, 1971
Amphiophiura canaliculata Koehler, 1922
Amphiophiura concava Hertz, 1927
Amphiophiura confecta (Koehler, 1930)
Amphiophiura convexa (Lyman, 1878)
Amphiophiura coronata (Koehler, 1914)
Amphiophiura distincta (Koehler, 1904)