• Quaternary of China (1 collection), United States (1: Florida)

• Pliocene to Pleistocene of Italy (1)

• Pliocene of China (1), Germany (5), United States (1: California)

• Miocene to Pliocene of France (1), Japan (2)

• Neogene of China (1)

• Miocene of Azerbaijan (2), Belgium (1), China (6), Germany (60), Japan (6), Poland (1), the Russian Federation (3), Switzerland (4), United States (5: California, Vermont, Washington)

• Oligocene to Miocene of Germany (1)

• Oligocene of China (1), the Czech Republic (1), Germany (2), the Russian Federation (7), the United Kingdom (1)

• Eocene of Australia (1), China (2), Germany (1), the United Kingdom (4), United States (12: Alaska, California, Oregon, Texas, Wyoming)

• Clarkforkian of United States (3: Wyoming)

• Paleocene of United States (32: Colorado, Montana, New Mexico, Wyoming)

• Cretaceous of Canada (12: Alberta, British Columbia), United States (6: Georgia, New Mexico, South Carolina, Utah)

Total: 188 collections including 265 occurrences