• Quaternary of Hungary (1 collection), United States (4: Alabama, California, Texas)

• Blancan of United States (3: Arizona)

• Pliocene of Turkey (1)

• Hemphillian of United States (1: Kansas)

• Miocene of Greece (1), Italy (1), Portugal (1), Spain (1)

• Eocene of France (7), United States (1: Wyoming)

• Clarkforkian of United States (2: North Dakota, Wyoming)

• Paleocene of Belgium (1), Canada (3: Alberta, Saskatchewan), United States (1: Colorado)

• Cretaceous of Belgium (1), Canada (7: Alberta, Saskatchewan), Denmark (1), France (1), Niger (1), Portugal (1), United States (19: Montana, North Dakota, South Dakota, Texas, Utah, Wyoming)

• Jurassic of China (1), Madagascar (3), Portugal (2), United States (1: Arizona)

Total: 67 collections including 68 occurrences