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 Sacoglossa Ihering, 1876 - sacoglossans
Suborder Tamanovalvina
Superfamily Julioidea
see Superfamily Oxynooidea Stoliczka, 1868 (1847)
Family Oxynoidae Stoliczka, 1868 (1847)
Genus Artessa Zilch, 1959, orth. inval.
see Genus Arthessa Evans, 1950