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
(Helicid Sigmurethra)
Superfamily Helixarionoidea Bourguignat, 1883, orth. inval.
Family Helixarionidae Bourguignat, 1883, orth. inval.
see Family Helicarionidae Bourguignat, 1877
Subfamily Microcystinae Thiele, 1931
Genus Liardetia Gude, 1913
Subgenus Kieconcha Iredale, 1913