• Quaternary of Canada (1: Alberta collection), the Congo-Kinshasa (2), France (5), Germany (4), Greece (1), Italy (1), Mexico (1), Romania (3), the United Kingdom (2), United States (7: Arizona, California, Kansas, Texas)

• Pliocene to Pleistocene of Egypt (1), South Africa (1), Spain (1)

• Pliocene of Spain (2)

• Miocene of Argentina (1), Germany (3), Hungary (1), Italy (1), Poland (2), Turkey (2)

• Oligocene to Miocene of United States (1: Montana)

• Eocene of Oman (1), the United Kingdom (1)

• Paleocene of China (1)

• Cretaceous of Uruguay (4)

Total: 50 collections including 53 occurrences