• Quaternary of India (2 collections), Italy (1), New Zealand (1), South Africa (3), Spain (2), Ukraine (1), the United Kingdom (2), United States (8: California, Florida, Virginia)

• Blancan of United States (4: California)

• Pliocene of Germany (1), United States (2: California, North Carolina)

• Miocene to Pliocene of Germany (1)

• Miocene of China (2), Germany (2), Mexico (5), Peru (1), Poland (1), Portugal (1), Romania (1), the Russian Federation (10), United States (16: California, Delaware, Florida, Massachusetts, New Jersey, North Carolina, Virginia)

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

• Oligocene of the Russian Federation (7)

• Eocene of the United Kingdom (2), United States (1: Colorado)

• Paleocene of United States (1: Wyoming)

Total: 79 collections including 92 occurrences