The Barents Sea species list
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Phylum Mollusca Linnaeus, 1758
Class Gastropoda Cuvier, 1795
Subclass Heterobranchia Burmeister, 1837
Infraclass Opistobranchia Milne-Edwards, 1848
Order Sacoglossa Ihering, 1876
Family Limapontiidae Gray, 1847
Placida dendritica (Alder & Hancock, 1843)
Limapontia senestra (Quatrefages, 1844)

Order Nudibranchia Cuvier, 1817
Family Cadlinidae Bergh, 1891
Cadlina laevis (Linnaeus, 1767)
Family Polyceridae Alder & Hancock, 1845
Palio dubia (M. Sars, 1829)
Polycera quadrilineata (O. F. Müller, 1776)
Family Goniodorididae H. Adams & A. Adams, 1854
Ancula gibbosa (Risso, 1818)
Goniodoris nodosa (Montagu, 1808)
Family Dorididae Rafinesque, 1815
Doris pseudoargus Rapp, 1827
Family Onchidorididae Gray, 1827
Acanthodoris pilosa (Abildgaard in Müller, 1789)
Adalaria proxima (Alder & Hancock, 1854)
Onchidoris muricata (O. F. Müller, 1776)
Onchidoris bilamellata (Linnaeus, 1767)
Family Dendronotidae Allman, 1845
Dendronotus frondosus (Ascanius, 1774)
Dendronotus lacteus (W. Thompson, 1840)
Dendronotus robustus A. E. Verrill, 1870
Family Dotoidae Gray, 1853
Doto coronata (Gmelin, 1791)
Doto fragilis (Forbes, 1838)
Flabellinidae Bergh, 1889
Flabellina gracilis (Alder & Hancock, 1844)
Flabellina nobilis (A. E. Verrill, 1880)
Flabellina pellucida (Alder & Hancock, 1843)
Flabellina verrucosa (M. Sars, 1829)
Family Eubranchidae Odhner, 1934
Eubranchus exiguus (Alder & Hancock, 1842)
Eubranchus rupium (Møller, 1842)
Eubranchus pallidus (Alder & Hancock, 1842)
Family Tergipedidae Bergh, 1889
Tergipes tergipes (Forsskål in Niebuhr, 1775)
Family Trinchesiidae F. Nordsieck, 1972
Trinchesia pustulata (Alder & Hancock, 1854)
Trinchesia viridis (Forbes, 1840)
Family Aeolididae Gray, 1827
Aeolidia papillosa (Linnaeus, 1761)