Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs
see Class Gastropoda Cuvier, 1795
Superorder Archaeogastropoda Thiele, 1925
Order Docoglossa Troschel, 1866
Suborder Euomphalina de Koninck, 1881
see Superfamily Euomphaloidea White, 1877
Superfamily Patelloidea Rafinesque, 1815
Family Lepetidae Gray, 1850
Genus Maoricrater Dell, 1956
Subgenus Cryptobranchia Middendorff, 1851