• Quaternary of Japan (10 collections), Mexico (1), Taiwan (1), United States (11: Alaska, California)

• Pliocene to Pleistocene of Japan (1), Taiwan (1), United States (1: California)

• Pliocene of Japan (3), United States (23: California, Oregon)

• Miocene to Pleistocene of the Russian Federation (1)

• Miocene to Pliocene of United States (1: California)

• Miocene of Japan (20), United States (4: California)

• Oligocene of United States (3: Washington)

• Eocene of Mexico (1), United States (2: California)

• Cretaceous of Canada (4: Alberta), China (1), the United Kingdom (3), United States (5: Iowa, Minnesota)

• Jurassic of Norway (1)

Total: 98 collections including 131 occurrences