• Oligocene to Miocene of United States (2: Florida collections)

• Eocene of United States (20: Alabama, Georgia, Louisiana, North Carolina, Texas)

• Cretaceous of Austria (1)

• Jurassic of Canada (1: British Columbia), China (4), Denmark (11), France (2), Germany (6), Portugal (1), the United Kingdom (10)

• Triassic of China (8), the United Kingdom (4)

• Permian of Australia (36), China (32), Greece (2), Greenland (1), India (4), Iran (1), Japan (4), Lithuania (1), Madagascar (1), Malaysia (1), Mexico (1), Mongolia (3), New Zealand (4), Oman (1), Pakistan (1), Peru (2), Poland (1), the Russian Federation (51), Tunisia (5), the United Kingdom (8), United States (75: Arizona, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming)

• Carboniferous to Permian of the Russian Federation (1), United States (1: Texas)

• Carboniferous of Antarctica (1), Argentina (8), Australia (2), Mexico (3), Peru (3), Spain (1), Ukraine (6), the United Kingdom (6), United States (162: Alabama, Arizona, Arkansas, California, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Montana, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, Virginia, West Virginia, Wyoming)

• Devonian of Antarctica (1), Australia (3), Luxembourg (2), Morocco (3), New Zealand (5), Turkey (1), United States (33: Missouri, New York)

Total: 547 collections including 629 occurrences