Gastropoda - Heterostropha - Planorbidae
Synonym: Helisomini
Parent taxon: Bulininae according to P. Bouchet et al. 2005
See also Shoshani et al. 1989
Sister taxa: Bulinini, Menetus, Miratestini, Plesiophysini
Subtaxa: Helisoma Planorbarius
Ecology: epifaunal
Distribution:
• Quaternary of Canada (1: Alberta collection), Mexico (1), Poland (1), United States (18: California, Florida, Kansas, Michigan, Ohio, Texas)
• Pliocene to Pleistocene of United States (1: Florida)
• Pliocene of Romania (1), Turkey (1), Venezuela (1)
• Miocene of Austria (6), Bosnia and Herzegovina (4), France (1), Germany (40), Greece (2), Hungary (3), Lebanon (1), Peru (2), Switzerland (2), Turkey (2)
• Oligocene of Belgium (2), Peru (2), Switzerland (1)
• Paleocene of China (2)
Total: 95 collections including 101 occurrences