Cryptodira
Distribution:
• Pliocene of Argentina (1 collection)
• Eocene of Canada (1: Northwest Territories), France (1), Germany (1), Spain (1), United States (1: Georgia)
• Paleocene of France (1), United States (5: Colorado)
• Cretaceous of Canada (1: Alberta), China (2), France (4), the Russian Federation (2), Spain (2), the United Kingdom (1), United States (20: Colorado, Montana, New Mexico, Wyoming)
• Jurassic to Cretaceous of Morocco (1)
• Jurassic of the United Kingdom (3), United States (2: Arizona, Wyoming)
Total: 50 collections including 52 occurrences