• Quaternary of United States (2: Georgia collections)

• Pliocene to Pleistocene of Italy (1)

• Pliocene of Italy (1), United States (1: Florida)

• Miocene of Algeria (1), France (3), Italy (5)

• Oligocene of United States (1: Alabama)

• Eocene of United States (1: Mississippi)

Total: 16 collections including 17 occurrences