ARMS Taxon list
Aartsenia candida (Møller, 1842)
Abietinaria abietina (Linnaeus, 1758)
Abietinaria filicula (Ellis & Solander, 1786)
Abietinaria fusca (Johnston, 1847)
Abietinaria pulchra (Nutting, 1904)
Abietinaria thuiarioides (Clark, 1877)
Abietinaria turgida (Clark, 1877)
Abludomelita valida (Shoemaker, 1955) accepted as Melitoides valida (Shoemaker, 1955)
Abyssidrilus altus (Erséus, 1980)
Abyssoninoe hibernica (McIntosh, 1903)
Abyssoninoe scopa (Fauchald, 1974)
Acanthocardia echinata (Linnaeus, 1758)
Acanthocyclops vernalis (Fischer, 1853) represented as Acanthocyclops vernalis vernalis (Fischer, 1853)
Acanthocyclops vernalis vernalis (Fischer, 1853)
Acanthocythereis agapensis Lev, 1983
Acanthocythereis dunelmensis (Norman, 1865) accepted as Actinocythereis dunelmensis (Norman, 1865)
Acanthodasys aculeatus Remane, 1927
Acanthodoris pilosa (Abildgaard, 1789)
Acantholaimus ewensis Platt & Zhang, 1982 accepted as Acantholaimus polydentatus Gerlach, 1951
Acantholaimus polydentatus Gerlach, 1951
Acantholumpenus mackayi (Gilbert, 1896)
Acanthomysis dybowskii (Derzhavin, 1913) accepted as Disacanthomysis dybowskii (Derzhavin, 1913)
Acanthomysis stelleri (Derzhavin, 1913)
Acanthonotozoma cristatum (Ross, 1835)
Acanthonotozoma dunbari Just, 1978
Acanthonotozoma gurjanovae Just, 1978
Acanthonotozoma inflatum (Krøyer, 1842)
Acanthonotozoma magnum Just, 1978
Acanthonotozoma monodentatum Kudrjaschov, 1965
Acanthonotozoma rusanovae Bryazgin, 1974
Acanthonotozoma serratum (O. Fabricius, 1780)
Acanthonotozoma sinuatum Just, 1978
Acanthopsetta nadeshnyi Schmidt, 1904
Acanthostepheia behringiensis (Lockington, 1877)
Acanthostepheia incarinata Gurjanova, 1929
Acanthostepheia malmgreni (Goës, 1866)
Acanthozone polyacantha Murdoch, 1885 accepted as Paramphithoe polyacantha (Murdoch, 1885)
Acartia (Acanthacartia) bifilosa (Giesbrecht, 1881)
Acartia (Acanthacartia) tumida Willey, 1920
Acartia (Acartiura) clausi Giesbrecht, 1889
Acartia (Acartiura) hudsonica Pinhey, 1926
Acartia (Acartiura) longiremis (Lilljeborg, 1853)
Acaulis primarius Stimpson, 1853
Aceroides (Aceroides) latipes (G.O. Sars, 1883)
Aceroides (Aceroides) latipes latipes (G.O. Sars, 1883) represented as Aceroides (Aceroides) latipes (G.O. Sars, 1883)
Aceroides (Aceroides) latipes robusta Gurjanova, 1933
Aceroides (Aceroides) sedovi Gurjanova, 1946
Acetabulastoma arcticum Schornikov, 1970
Acetabulastoma hyperboreum (Scott, 1899)
Acetabulastoma rostratum (Sars, 1866)
Achelia alaskensis (Cole, 1904)
Achelia borealis (Schimkewitsch, 1895)
Achelia echinata Hodge, 1864
Achelia laevis Hodge, 1864
Achelia lavrentii (Losina-Losinsky, L.K., 1933) accepted as Achelia spinosa (Stimpson, 1853)
Achelia litke (Losina-Losinsky, L.K., 1933) accepted as Achelia spinosa (Stimpson, 1853)
Achelia salebrosa Losina-Losinsky, 1961
Achelia spinosa (Stimpson, 1853)
Achelia uschakovi Losina-Losinsky L.K., 1933 accepted as Achelia spinosa (Stimpson, 1853)
Acidostoma laticorne G.O. Sars, 1879
Acidostoma laticornis G. O. Sars, 1879 accepted as Acidostoma laticorne G.O. Sars, 1879
Acidostoma molariferum Margulis, 1963
Acidostoma obesum (Spence Bate & Westwood, 1861)
Acidostoma pectinata Gurjanova, 1962
Acipenser baerii Brandt, 1869
Acipenser oxyrinchus Mitchill, 1815
Acipenser ruthenus Linnaeus, 1758
Acipenser sturio Linnaeus, 1758
Acrorhynchides caledonicus (Claperede, 1861) Strand, 1928
Acrorhynchides robustus (Karling, 1931) Strand, 1928
Actaedrilus polyonyx (Eliason, 1962)
Actinocythereis dunelmensis (Norman, 1865)
Actinoposthia beklemischevi Mamkaev, 1965
Actinoposthia beklemishevi Mamkaev, 1965 accepted as Actinoposthia beklemischevi Mamkaev, 1965
Actinostola callosa (Verrill, 1882)
Adalaria loveni (Alder & Hancock, 1862)
Adalaria proxima (Alder & Hancock, 1854)
Adalaria tschuktschica A. Krause, 1885
Adeonellopsis tuberculata (Busk, 1884)
Admete couthouyi (J. C. Jay, 1839) accepted as Admete viridula (O. Fabricius, 1780)
Admete viridula (O. Fabricius, 1780)
Adoncholaimus derjugini (Ssaweljev, 1912)
Adoncholaimus lepidus (de Man, 1889) Filipjev, 1918
Aechmalotus pyrula Beklemischev, 1915
Aega psora (Linnaeus, 1758)
Aega ventrosa M. Sars, 1859 accepted as Aegiochus ventrosa (M. Sars, 1859)
Aegialoalaimus elegans de Man, 1907
Aegina citrea Eschscholtz, 1829
Aegina rosea Eschscholtz, 1829
Aeginella longicornis (Krøyer, 1843) accepted as Aeginina longicornis (Krøyer, 1843)
Aeginella spinosa Boeck, 1861
Aeginina longicornis (Krøyer, 1843)
Aeginopsis laurentii Brandt, 1838
Aegiochus ventrosa (M. Sars, 1859)
Aeolidia papillosa (Linnaeus, 1761)
Aethia cristatella (Pallas, 1769)
Aethia psittacula (Pallas, 1769)
Aethia pusilla (Pallas, 1811)
Aethia pygmaea (Gmelin, 1789)
Aetideopsis armata (Boeck, 1873)