Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848
       Order Nudibranchia Cuvier, 1814 - "true" nudibranchs
         Suborder Aeolidiina Eliot, 1910
           Superfamily Euaeolidioidea Odhner, 1968, nom. inval.
             Family Tergipedidae Bergh, 1889
               1 Genus Tergipes Cuvier, 1805
               2 Genus Catriona Winkworth, 1941
               3 Genus Cuthona Alder & Hancock, 1855
               4 Genus Embletonia Alder & Hancock, 1851
               5 Genus Myja Bergh, 1896
               6 Genus Phestilla Bergh, 1874
               7 Genus Tenellia Costa, 1866
               8 Genus Zatteria Eliot, 1902