Phylum Mollusca Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Divasibranchia Minichev & Starobogatov, 1975 Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855 Suborder Orthurethra Pilsbry, 1900 Superfamily Cochlicopoidea Pilsbry, 1900 (1879) Family Cochlicopidae Pilsbry, 1900 (1879) Genus Hypnophila Bourguignat, 1858