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 Gymnosomata Blainville, 1824
see Suborder Gymnosomata Blainville, 1824
Superfamily Clionoidea Rafinesque, 1815
1 Family Clionidae Rafinesque, 1815
2 Family Cliopsidae Costa, 1873
3 Family Notobranchaeidae Pelseneer, 1886
4 Family Pneumodermatidae Latreille, 1825