• Jurassic of East Timor (1 collection)

• Triassic of Austria (14), Bosnia and Herzegovina (4), Bulgaria (1), China (57), Croatia (1), Germany (1), Hungary (21), Iran (1), Italy (5), Kazakhstan (2), New Zealand (1), Romania (2), the Russian Federation (8), Slovakia (8), Turkey (2)

• Permian of Australia (2), Bolivia (21), Canada (7: Alberta, British Columbia, Nunavut, Yukon), Chile (2), China (64), Greece (5), Greenland (8), Guatemala (1), Indonesia (6), Italy (1), Japan (22), Malaysia (8), Mexico (26), Myanmar (1), Nepal (1), Oman (2), Pakistan (75), Peru (20), the Russian Federation (9), Slovenia (1), Thailand (22), Turkey (5), United States (504: Alaska, Arizona, California, Idaho, Kansas, Montana, Nevada, New Mexico, Oregon, Texas, Utah, Wyoming), Venezuela (9)

• Carboniferous to Permian of United States (4: California)

• Carboniferous of Australia (1), Bolivia (1), Canada (5: Alberta, Northwest Territories, Nunavut), China (2), Egypt (3), Ireland (4), Mexico (1), South Korea (1), the United Kingdom (9), United States (312: Alabama, Alaska, Arkansas, California, Idaho-Utah, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Montana, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Tennessee, Texas, Utah, Washington, Oregon, Idaho, Montana, Nevada, Utah, California)

• Devonian of Australia (1), China (4), the Czech Republic (6), Germany (1), Myanmar (2), Spain (1), Thailand (1)

• Silurian of the Czech Republic (1), United States (1: California)

Total: 1312 collections including 1703 occurrences