• Pliocene of Bolivia (1 collection)

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

• Oligocene of New Zealand (1)

• Eocene of the United Kingdom (3), United States (11: Louisiana)

• Paleocene of Canada (1: Alberta)

• Cretaceous of Argentina (3), Australia (1), Chile (1), Ecuador (1), France (2), Kazakhstan (2), Madagascar (1), Mexico (1), Mongolia (10), Niger (1), Romania (1), Saudi Arabia (1), South Africa (1), South Korea (2), Spain (3), Tunisia (1), the United Kingdom (1), United States (15: Alaska, Georgia, Idaho, Minnesota, Montana, New Mexico, Texas, Utah, Virginia)

• Jurassic to Cretaceous of Mongolia (2), Thailand (1)

• Jurassic of Argentina (1), Australia (1), India (1), Iran (3), Mongolia (1), Portugal (2), the United Kingdom (1), United States (12: Colorado, Massachusetts, New Jersey, New Mexico, Wyoming)

• Triassic of South Africa (21), Zimbabwe (2)

• Carboniferous of United States (8: Illinois, Kansas, New Mexico)

• Devonian of Australia (1), Canada (1: Alberta)

• Silurian to Devonian of Australia (1)

Total: 125 collections including 131 occurrences