Gastropoda Cuvier, 1797
Acleioprocta Odhner, 1939
Actinocyclidae O'Donoghue, 1929
Aegiridae Fischer, 1883
Aeolidiidae Orbigny, 1834
Akiodorididae Millen & Martynov, 2005
Aldisidae
Antiopellidae Hoffmann, 1938
Archidorididae
Arminidae Rafinesque, 1814
Asteronotidae
Babakinidae
Bathydorididae Bergh, 1891
Cadlinidae Bergh, 1891
Chromodorididae Bergh, 1891
Conualeviidae
Corambidae Bergh, 1869
Coryphellidae Bergh, 1889
Cryptobranchia
Cumanotidae
Dendrodorididae Pruvot-Fol, 1935
Dendronotidae Gray, 1857
Dendronotoidea
Dironidae Eliot, 1910
Discodorididae Bergh, 1891
Dorididae Rafinesque, 1815
Doridomorphidae Er. Marcus & Ev. Marcus, 1960
Doridoxidae Bergh, 1899
Dotoidae
Embletoniidae Pruvot-Fol, 1954
Euarminoidea
Eubranchidae Odhner, 1934
Facelinidae Bergh, 1889
Favorinidae Bergh, 1889
Fionidae Gray, 1857
Flabellinidae Dall & Simpson, 1901
Glaucidae Menke, 1828
Goniaeolididae Odhner, 1907
Goniodorididae H. & A. Adams, 1854
Gymnodorididae Odhner, 1941
Hancockiidae MacFarland, 1923
Janolidae
Kentrodorididae
Leptognatha
Lomanotidae Bergh, 1890
Madrellidae Preston, 1911
Mandeliidae Valdés & Gosliner, 1999
Marianinidae
Myrrhinidae
Nossidae
Notaeolidiidae Eliot, 1910
Okadaiidae Baba, 1930
Onchidorididae Gray, 1854
Phyllidiidae Rafinesque, 1815
Phyllirhoidae
Phylliroidae Menke, 1830
Pinufiidae Er. Marcus & Ev. Marcus, 1960
Piseinotecidae Edmunds, 1970
Platydorididae
Polyceridae Alder & Hancock, 1845
Proctonotidae Gray, 1853
Produnga Martynov, 1998
Rostangidae
Scyllaeidae Rafinesque, 1815
Spurillidae
Tergipedidae Bergh, 1889
Tethydidae Rafinesque, 1815
Triophidae Odhner in Franc, 1968
Tritoniidae Menke, 1828
Zephyrinidae
