Parent taxon: Stylommatophora according to P. Bouchet et al. 2017
Sister taxa: Anastomopsidae, Clausiloidea, Cylindrellinidae, Grandipatulidae, Grangerellidae, Helicina, Limnophila, Palaeoxestinidae, Scalaxidae, Scolodontina, Sigmurethra
Subtaxa: Achatinoidea
Ecology: epifaunal
Distribution:
• Quaternary of Algeria (2 collections), Brazil (1), the Congo-Kinshasa (3), France (1), Italy (1), Kenya (1), Pakistan (1), South Africa (4), Spain (1), Sudan (2), Tanzania (2), Tunisia (1), Zambia (1)
• Pliocene to Pleistocene of Egypt (1), South Africa (1)
• Pliocene of Malawi (1), Tanzania (1)
• Miocene of Austria (2), China (1), Germany (4), Greece (1), Hungary (1), Italy (5), Kenya (7), Uganda (3)
• Eocene of France (1), Namibia (1), Oman (1), the United Kingdom (5)
• Paleocene of Canada (2: Saskatchewan), China (1), United States (8: Wyoming)
• Cretaceous of Canada (1: Alberta)
Total: 69 collections including 85 occurrences