• Quaternary of Canada (27: New Brunswick, Newfoundland, Newfoundland and Labrador, Nova Scotia, Nunavut, Ontario, Quebec collections), Greenland (25), Italy (1), Japan (1), Poland (3), the United Kingdom (2), United States (20: California, Maine, Vermont)

• Pliocene of Jamaica (3), Japan (9), the Russian Federation (1), United States (1: Alaska)

• Miocene of Chile (1), India (1), Indonesia (1), Japan (11), the Russian Federation (17), United States (1: Oregon)

• Oligocene to Miocene of the Russian Federation (2)

• Oligocene of Canada (1: British Columbia), Denmark (2), Germany (1), Japan (16), the Netherlands (1), Panama (1), the Russian Federation (13), United States (15: Alaska, California, Washington)

• Eocene of Japan (8), the Russian Federation (8), United States (24: California, Oregon)

• Paleocene of Denmark (1), the Russian Federation (2), United States (3: California)

• Cretaceous of China (1), Denmark (1), Japan (5), Kazakhstan (1), Mexico (1), Poland (5), the Russian Federation (1), Serbia and Montenegro (1), Ukraine (1), United States (2: California)

• Permian of Australia (1), United States (1: Kansas)

• Carboniferous to Permian of China (1)

• Carboniferous of Mexico (2), the United Kingdom (4), United States (85: Arizona, Arkansas, Kansas, Kentucky, Maryland, New Mexico, Oklahoma, Texas, Virginia, West Virginia, Wyoming)

• Devonian of New Zealand (2)

Total: 338 collections including 388 occurrences