Gastropoda - Stylommatophora - Helicidae
Parent taxon: Helicoidea according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, Harzhauser and Kowalke 2002 and Salotti et al. 1997
Sister taxa: Anguispira, Camaenidae, Elonidae, Euconulus, Geomitridae, Helicodontidae, Hygromiidae, Neohelix, Pleurodontidae, Polygyridae, Sphincterochilidae, Stenotrema, Thysanophoridae, Triodopsis, Trissexodontidae, Xanthonychidae
Subtaxa: Ariantinae Cepaea Eremina Helix Marmorana Massylaea Megalotachea Otala Palaeotachea Tacheocampylaea
Ecology: epifaunal
Distribution:
• Quaternary of Algeria (3 collections), France (2), Germany (3), Greece (1), Hungary (1), Israel (1), Malta (1), Morocco (3), Spain (5), Tunisia (1), United States (3: California)
• Villafranchian of Spain (4)
• Pliocene to Pleistocene of Italy (1), Spain (2)
• Pliocene of Romania (1), Türkiye (1)
• Turolian of Spain (1)
• Miocene of Algeria (1), Austria (8), France (1), Germany (53), Greece (2), Hungary (3), Poland (4), Portugal (2), Serbia (2), Spain (3), Switzerland (7), Türkiye (1)
• Oligocene of Mexico (2), Switzerland (1)
• Eocene of Spain (1), the United Kingdom (6), United States (2: Wyoming)
• Paleocene to Eocene of Pakistan (1)
• Cretaceous of United States (1: Texas)
Total: 135 collections including 183 occurrences