Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795 Anaspidea Fischer, 1883 see [unranked] Aplysiomorpha Pelseneer, 1906 Family Aplysiidae Lamarck, 1809 Genus Aplysia Linnaeus, 1767 - seahare Aplysia parvula Guilding, in Mörch, 1863 - pygmy seahare