Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Divasibranchia Minichev & Starobogatov, 1975
Order Basommatophora Keferstein, 1865
see Suborder Basommatophora Keferstein, in Bronn, 1864
Superfamily Lymnaeoidea Rafinesque, 1815
1 Family Lymnaeidae Rafinesque, 1815
2 Family Lancidae Hannibal, 1914
see Subfamily Lancinae Hannibal, 1914