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 Mesurethra [monotypic]
Superfamily Clausilioidea Gray, 1855 [monotypic]
Family Clausiliidae Gray, 1855
Subfamily Mentissoidinae orth. inval.
see Subfamily Mentissoideinae Lindholm, 1924
Genus Mentissoidea Boettger, 1877
Subgenus Bzybia Nordsieck, 1977