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 Glaucidae Gray, 1827, nom. protect.
1 Subfamily Glaucinae Gray, 1827
see Family Glaucidae Gray, 1827, nom. protect.
2 Subfamily Babakininae Roller, 1973 [monotypic]