Phylum: Molluscs (Mollusca)
Family: Dotidae
Family: Plakobranchidae
Family: Aegiridae
Family: Tethydidae
Family: Cuthonidae
Family: Trinchesiidae
Family: Goniodorididae
Family: Samlidae
Family: Coryphellidae
Family: Tergipedidae
Family: Gymnodorididae
Family: Pleurobranchidae
Family: Proctonotidae
Family: Cadlinidae
Family: Dorididae
Family: Eubranchidae
Family: Onchidorididae
Family: Tritoniidae
Family: Dendronotidae
Family: Aeolidiidae (Aeolidiidae)
Family: Phyllidiidae
Family: Hexabranchidae
Family: Facelinidae
Family: Flabellinidae
Family: Discodorididae
Family: Polyceridae
Family: Chromodorididae