CaRMS Distribution
Acanthodoris pilosa (Abildgaard, 1789)
Acanthonotozoma cristatum (Ross, 1835)
Acanthonotozoma inflatum (Krøyer, 1842)
Acanthostepheia behringiensis (Lockington, 1877)
Acanthostepheia malmgreni (Goës, 1866)
Aceroides (Aceroides) latipes (G.O. Sars, 1883)
Acmaea testudinalis (O. F. Müller, 1776) accepted as Testudinalia testudinalis (O. F. Müller, 1776)
Actinostola groenlandica Carlgren, 1899
Actinostola spetsbergensis Carlgren, 1893 accepted as Glandulactis spetsbergensis (Carlgren, 1893)
Admete couthouyi (Jay, 1839) accepted as Admete viridula (O. Fabricius, 1780)
Admete viridula (O. Fabricius, 1780)
Aega monophthalma Johnston, 1834
Aega psora (Linnaeus, 1758)
Aeginina longicornis (Krøyer, 1843)
Aeginopsis laurentii Brandt, 1838
Aegiochus arctica (Lütken, 1859)
Aeolidia papillosa (Linnaeus, 1761)
Aglantha digitale (O. F. Müller, 1776)
Aglaophamus malmgreni (Théel, 1879)
Agonus decagonus Bloch & Schneider, 1801 accepted as Leptagonus decagonus (Bloch & Schneider, 1801)
Akanthophoreus gracilis (Krøyer, 1842)
Alcyonidium gelatinosum (Linnaeus, 1761)
Aldisa zetlandica (Alder & Hancock, 1854)
Alitta virens (M. Sars, 1835)
Allantactis parasitica Danielssen, 1890
Altenaeum dawsoni (Jeffreys, 1864)
Alvania janmayeni (Friele, 1878) accepted as Frigidoalvania janmayeni (Friele, 1878)
Alvania moerchii (Collin, 1886)
Alvania zetlandica (Montagu, 1816)
Amauropsis islandica (Gmelin, 1791)
Amblyraja radiata (Donovan, 1808)
Ammodytes dubius Reinhardt, 1837
Ammotrypane breviata Ehlers, 1913 accepted as Ophelina breviata (Ehlers, 1913)
Ampelisca eschrichtii Krøyer, 1842
Ampelisca macrocephala Liljeborg, 1853
Ampharete acutifrons (Grube, 1860)
Ampharete arctica Malmgren, 1866 accepted as Ampharete finmarchica (M. Sars, 1865)
Ampharete goesi Malmgren, 1866
Ampharete vega (Wirén, 1883)
Amphicteis gunneri (M. Sars, 1835)
Amphicteis sundevalli Malmgren, 1866
Amphithopsis longicaudata Boeck, 1861
Amphitrite cirrata Müller, 1776
Amphiura sundevalli (Müller & Troschel, 1842)
Anatoma crispata (J. Fleming, 1828)
Andaniella pectinata (G.O. Sars, 1883) accepted as Andaniopsis pectinata (G.O. Sars, 1883)
Anisarchus medius (Reinhardt, 1837)
Anonyx compactus Gurjanova, 1962
Anonyx debruynii Hoek, 1882
Anonyx laticoxae Gurjanova, 1962
Anonyx lilljeborgi Boeck, 1871
Anonyx lilljeborgii Boeck, 1871 accepted as Anonyx lilljeborgi Boeck, 1871
Anonyx makarovi Gurjanova, 1962
Anonyx nugax (Phipps, 1774)
Anonyx sarsi Steele & Brunel, 1968
Antinoella badia (Théel, 1879) accepted as Bylgides promamme (Malmgren, 1867)
Antinoella sarsi (Kinberg in Malmgren, 1866) accepted as Bylgides sarsi (Kinberg in Malmgren, 1866)
Apherusa glacialis (Hansen, 1888)
Apherusa megalops (Buchholz, 1874)
Apherusa sarsii Shoemaker, 1930
Apistobranchus tullbergi (Théel, 1879)
Aplidium glabrum (Verrill, 1871)
Arctogadus borisovi Dryagin, 1932 accepted as Arctogadus glacialis (Peters, 1872)
Arctopleustes glabricauda (Dunbar, 1954)
Arcturus baffini (Sabine, 1824)
Arenicola marina (Linnaeus, 1758)
Argis dentata (Rathbun, 1902)
Aricidea (Acmira) cerrutii Laubier, 1966
Aricidea nolani Webster & Benedict, 1887
Aricidea suecica Eliason, 1920 represented as Aricidea (Strelzovia) suecica Eliason, 1920
Aristias tumidus (Krøyer, 1846)
Arrhis phyllonyx (M. Sars, 1858)
Artacama proboscidea Malmgren, 1866
Artediellus uncinatus (Reinhardt, 1834)
Artotrogus orbicularis Boeck, 1859
Asabellides sibirica (Wirén, 1883) accepted as Ampharete sibirica (Wirén, 1883)
Ascidia callosa Stimpson, 1852
Ascidia obliqua Alder, 1863
Ascidia prunum Müller, 1776
Aspidophoroides monopterygius (Bloch, 1786)
Aspidophoroides olriki Lütken, 1877 accepted as Aspidophoroides olrikii Lütken, 1877
Astarte acuticostata Friele, 1877
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817
Astarte crenata (J. E. Gray, 1824)
Astarte elliptica (T. Brown, 1827) accepted as Tridonta elliptica (T. Brown, 1827)
Astarte montagui (Dillwyn, 1817) accepted as Tridonta montagui (Dillwyn, 1817)
Astyris rosacea (A. Gould, 1840)
Atylus carinatus (Fabricius, 1793)
Atylus smitti (Goës, 1866) accepted as Nototropis smitti (Goës, 1866)
Autolytus alexandri Malmgren, 1867 accepted as Epigamia alexandri (Malmgren, 1867)
Autolytus prismaticus (O.F. Müller, 1776) accepted as Proceraea prismatica (O.F. Müller, 1776)
Axinopsida orbiculata (G. O. Sars, 1878)
Balanus balanoides (Linnaeus, 1767) accepted as Semibalanus balanoides (Linnaeus, 1767)
Balanus balanus (Linnaeus, 1758)
Balanus crenatus Bruguière, 1789
Bathyarca frielei (Friele, 1877)
Bathyarca glacialis (Gray, 1824)
Bathypolypus arcticus (Prosch, 1849)
Bathypolypus bairdii (A. E. Verrill, 1873)
Beringius behringii (Middendorff, 1848)