• Quaternary of Brazil (1 collection), Taiwan (1)

• Hemphillian of United States (1: Alabama)

• Miocene of Argentina (1), Australia (1), Austria (2), Brazil (1), Canada (1: Saskatchewan), India (1), Italy (1), Panama (1), Slovakia (1), Switzerland (1), Tunisia (1), United States (6: Georgia, Maryland, Texas, Virginia)

• Oligocene of Germany (1), Kazakhstan (1), Spain (2), Switzerland (1)

• Eocene of Antarctica (1), Egypt (3), France (1), India (3), Libya (1), Pakistan (1), Spain (5), the United Kingdom (5), United States (66: Georgia, Wyoming)

• Clarkforkian of United States (1: Wyoming)

• Cf3 of United States (1: Wyoming)

• Cf2 of United States (2: Wyoming)

• Cf1 of United States (1: Wyoming)

• Paleocene to Eocene of Peru (1)

• Paleogene of Libya (1)

• Paleocene of Argentina (1), Canada (1: Alberta), the Russian Federation (2), United States (1: Wyoming)

• Cretaceous of Algeria (1), Argentina (2), Brazil (4), Canada (8: Alberta, Saskatchewan), India (1), Japan (1), Mongolia (1), Thailand (1), Tunisia (1), the United Kingdom (2), United States (19: Colorado, Georgia, Idaho, Montana, New Mexico, North Carolina, North Dakota, Wyoming)

• Jurassic to Cretaceous of South Africa (1)

• Jurassic of France (1), Portugal (1), the United Kingdom (4), United States (3: Oklahoma, Wyoming)

Total: 175 collections including 176 occurrences