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 Amastridae Pilsbry, 1910
               1 Genus Amastra Adams & Adams, 1855
               2 Genus Armsia Pilsbry, 1911
               3 Genus Carelia Adams & Adams, 1855
               4 Genus Cyclamastra Pilsbry & Vanatta, 1905
               5 Genus Kauaia Sykes, 1900
               6 Genus Laminella Pfeiffer, 1854
               7 Genus Leptachatina Gould, 1847
               8 Genus Planamastra Pilsbry, 1911
               9 Genus Tropidoptera Ancey, 1889