CaRMS Distribution
Aberranta enigmatica Hartman, 1965
Abietinaria filicula (Ellis & Solander, 1786)
Acanthonotozoma rusanovae Bryazgin, 1974
Acanthonotozoma serratum (O. Fabricius, 1780)
Acanthostepheia malmgreni (Goës, 1866)
Acartia (Acartiura) hudsonica Pinhey, 1926
Acartia (Acartiura) longiremis (Lilljeborg, 1853)
Achelia spinosa (Stimpson, 1853)
Achnanthes brevipes C.Agardh, 1824
Achnanthes brevipes var. intermedia (Kützing) Cleve, 1895 accepted as Achnanthes intermedia Kützing, 1833
Achnanthes hauckiana var. rostrata Schulz, 1926
Achnanthes longipes C.Agardh, 1824
Acipenser fulvescens Rafinesque, 1817
Acipenser oxyrinchus Mitchill, 1815
Acirsa borealis (Lyell, 1841)
Acteocina canaliculata (Say, 1826)
Actinauge cristata Riemann-Zürneck, 1986
Actinauge verrilli McMurrich, 1893 accepted as Actinauge verrillii McMurrich, 1893
Actinauge verrillii McMurrich, 1893
Actinocyclus tenuissimus Cleve, 1878
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838
Actinostola callosa (Verrill, 1882)
Adalaria proxima (Alder & Hancock, 1854)
Admete viridula (O. Fabricius, 1780)
Aega psora (Linnaeus, 1758)
Aeginina longicornis (Krøyer, 1843)
Aeginopsis laurentii Brandt, 1838
Aeolidia papillosa (Linnaeus, 1761)
Aglantha digitale (O. F. Müller, 1776)
Aglaophamus circinata (Verrill in Smith & Harger, 1874)
Aglaophamus malmgreni (Théel, 1879)
Aglaophamus neotenus Noyes, 1980 accepted as Micronephthys neotena (Noyes, 1980)
Akanthophoreus gracilis (Krøyer, 1842)
Akanthophoreus longiremis (Lilljeborg, 1864) accepted as Parakanthophoreus longiremis (Lilljeborg, 1864)
Alcyonidioides mytili (Dalyell, 1848)
Alcyonidium cellarioides Calvet, 1900
Alcyonidium gelatinosum (Linnaeus, 1761)
Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985 (origin: alien )
Alitta succinea (Leuckart, 1847)
Alitta virens (M. Sars, 1835)
Alosa pseudoharengus (Wilson, 1811)
Alosa sapidissima (Wilson, 1811)
Alvania moerchii (Collin, 1886)
Amauropsis islandica (Gmelin, 1791)
Amblyraja radiata (Donovan, 1808)
Ameroculodes edwardsi (Holmes, 1905)
Amicula vestita (Broderip & G. B. Sowerby I, 1829)
Ammodytes americanus DeKay, 1842
Ammodytes dubius Reinhardt, 1837
Ampelisca declivitatis Mills, 1967
Ampelisca eschrichtii Krøyer, 1842
Ampelisca macrocephala Liljeborg, 1853
Ampelisca vadorum Mills, 1963
Ampharete acutifrons (Grube, 1860)
Ampharete arctica Malmgren, 1866 accepted as Ampharete finmarchica (M. Sars, 1865)
Ampharete baltica Eliason, 1955
Ampharete finmarchica (M. Sars, 1865)
Ampharete goesi Malmgren, 1866
Amphicteis gunneri (M. Sars, 1835)
Amphilochopsis hamatus Stephensen, 1925 accepted as Amphilochus hamatus (Stephensen, 1925)
Amphipholis squamata (Delle Chiaje, 1828)
Amphipholis torelli Ljungman, 1872
Amphiporeia lawrenciana Shoemaker, 1929
Amphiporus angulatus (Müller, 1774)
Amphiporus lactifloreus (Johnston, 1828)
Amphitrite cirrata Müller, 1776
Amphitrite figulus (Dalyell, 1853) represented as Neoamphitrite figulus (Dalyell, 1853)
Amphitrite johnstoni Malmgren, 1866 accepted as Neoamphitrite figulus (Dalyell, 1853)
Amphitrite ornata (Leidy, 1855)
Amphiura sundevalli (Müller & Troschel, 1842)
Amphora coffeaeformis (C.Agardh) Kützing, 1844 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009
Ampithoe longimana Smith, 1873
Anarhichas denticulatus Krøyer, 1845
Anarhichas lupus Linnaeus, 1758
Anarhichas minor Olafsen, 1772
Ancistrosyllis groenlandica McIntosh, 1878
Andaniexis abyssi (Boeck, 1871)
Anguilla rostrata (Lesueur, 1817)
Angulus agilis (W. Stimpson, 1858) accepted as Ameritella agilis (W. Stimpson, 1858)
Angulus tenuis (da Costa, 1778) accepted as Macomangulus tenuis (da Costa, 1778)
Anisakis simplex (Rudolphi, 1809) Dujardin, 1845
Anisarchus medius (Reinhardt, 1837)
Anobothrus gracilis (Malmgren, 1866)
Anomalocera patersoni Templeton, 1837 accepted as Anomalocera patersonii Templeton, 1837
Anomia simplex A. d'Orbigny, 1853
Anonyx debruynii Hoek, 1882
Anonyx lilljeborgi Boeck, 1871
Anonyx makarovi Gurjanova, 1962
Anonyx nugax (Phipps, 1774)
Anonyx ochoticus Gurjanova, 1962
Anonyx sarsi Steele & Brunel, 1968
Anoplogaster cornuta (Valenciennes, 1833)
Antalis occidentalis (W. Stimpson, 1851)
Anthoptilum grandiflorum (Verrill, 1879)
Antimora rostrata (Günther, 1878)
Apeltes quadracus (Mitchill, 1815)
Aphroditella hastata (Moore, 1905) accepted as Aphrodita hastata Moore, 1905
Apistobranchus tullbergi (Théel, 1879)
Aplidium glabrum (Verrill, 1871)
Aporocotyle simplex Odhner, 1900