Mollusca Linnaeus, 1758 - molluscs
see Phylum Mollusca Linnaeus, 1758
Gastropoda Cuvier, 1795
see Class Gastropoda Cuvier, 1795
Clade Heterobranchia Burmeister, 1837
see Superorder Heterobranchia Burmeister, 1837
Informal Group Opisthobranchia Milne-Edwards, 1846
see Order Opisthobranchia Milne-Edwards, 1848
Clade Thecosomata Gray, 1840
see Suborder Thecosomata Blainville, 1824
Superfamily Cymbulioidea Gray, 1840
1 Family Cymbuliidae Gray, 1840
2 Family Desmopteridae Chun, 1889
3 Family Peraclidae Tesch, 1913