• Quaternary of Canada (7: Northwest Territories, Nunavut, Ontario, Yukon collections), France (2), Germany (2), Italy (1), Romania (5), the Russian Federation (2), the United Kingdom (2), United States (7: Alaska, Maryland, Nevada, Pennsylvania, Wyoming)

• Pliocene of Canada (1: Northwest Territories), China (1), South Africa (1)

• Hemphillian of Canada (1: Alberta), United States (15: Arizona, California, Kansas, Nebraska, New Mexico, Oklahoma, Oregon, Tennessee, Texas)

• Miocene to Pliocene of Ethiopia (1), South Africa (1)

• Miocene of China (1), France (1), Georgia (1), Greece (3), Kazakhstan (1), Kenya (2), Spain (3), Turkey (1), Ukraine (2)

Total: 64 collections including 65 occurrences