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
(Achatinid Sigmurethra)
Suborder Sigmurethra Pilsbry, 1900
see Group Sigmurethra Pilsbry, 1900
Superfamily Punctoidea Morse, 1864
Family Endodontidae Pilsbry, 1895
Genus Orangia Solem, 1976