• Triassic of Austria (12 collections), Bosnia and Herzegovina (6), Bulgaria (3), China (43), Colombia (1), East Timor (1), Egypt (1), Germany (17), Greenland (4), Hungary (70), India (6), Iran (2), Israel (6), Italy (8), Jordan (3), Kazakhstan (2), Nepal (1), New Caledonia (4), New Zealand (29), Papua New Guinea (3), Poland (11), Romania (3), the Russian Federation (24), Serbia and Montenegro (9), Slovakia (6), Spain (1), Tajikistan (1), Tunisia (4), United States (7: Alaska, California, Idaho, Montana), Vietnam (2), Yemen (2)

• Permian to Triassic of India (2)

• Permian of Afghanistan (4), Armenia (1), Australia (83), Austria (1), Bolivia (1), Cambodia (1), Canada (9: British Columbia, Nunavut, Yukon), Chile (2), China (79), Croatia (1), Germany (2), Greece (5), Greenland (7), Hungary (1), India (7), Indonesia (1), Iran (10), Italy (1), Japan (7), Laos (2), Lithuania (10), Madagascar (1), Malaysia (3), Mexico (11), Myanmar (1), New Zealand (17), Oman (13), Pakistan (113), Peru (7), Poland (5), the Russian Federation (58), Slovenia (2), Svalbard and Jan Mayen (2), Thailand (15), Turkey (5), the United Kingdom (43), United States (295: Alaska, Idaho, Nevada, New Mexico, Oklahoma, Oregon, Texas, Utah, Wyoming)

• Carboniferous to Permian of United States (1: California)

• Carboniferous of Australia (17), Canada (6: Alberta, Yukon), China (3), India (1), Ireland (3), Svalbard and Jan Mayen (1), the United Kingdom (34), United States (128: Alaska, Arizona, Arkansas, California, Georgia, Idaho, Indiana, Iowa, Kansas, Kentucky, Montana, Nevada, New Mexico, Oklahoma, Tennessee, Texas, Utah, Virginia)

• Devonian of China (3), Germany (1), United States (1: New Mexico)

Total: 1319 collections including 1719 occurrences