Parent taxon: Helicina according to P. Bouchet et al. 2017
See also Bouchet et al. 2005
Sister taxa: Clausilioidei, Helicoidei, Limacoidei, Oleacinoidei, Orthalicoidei, Plectopyloidea, Pupilloidei, Rhytidoidei, Succineoidei, Testacelloidea, Urocoptoidea
Subtaxa: Charopidae Endodontidae Helicodiscidae Oreohelicidae Punctidae
Ecology: epifaunal
Distribution:
• Quaternary of France (2 collections), the Marshall Islands (1), Tuvalu (1), United States (10: Kansas, Montana, Texas, Utah, Virginia), United States Minor Outlying Islands (5)
• Hemphillian of United States (1: Kansas)
• Miocene of Austria (2), Germany (2), Hungary (1), Italy (9), the Marshall Islands (2), Poland (3), the Russian Federation (1)
• Oligocene to Miocene of United States (1: Montana)
• Eocene of Argentina (1), United States (2: Wyoming)
Total: 44 collections including 64 occurrences