• Triassic of China (1 collection)

• Permian of Afghanistan (1), Armenia (1), Azerbaijan (5), Canada (1: Nunavut), China (18), Indonesia (2), Iran (17), Italy (3), Japan (2), Malaysia (3), Norway (1), the Russian Federation (1), Slovenia (2), Tajikistan (10), Thailand (1), Turkey (9), Ukraine (3), the United Arab Emirates (1), United States (9: Kansas, Nevada and Utah, Texas)

• Carboniferous to Devonian of Uzbekistan (1)

• Carboniferous to Permian of Italy (1), the Russian Federation (2)

• Carboniferous of Austria (1), Canada (3: Nunavut), China (1), France (3), Italy (1), Mexico (1), Morocco (1), the Russian Federation (2), Spain (4), Thailand (5), Turkey (5), Ukraine (2), United States (50: California, Iowa, Kansas, Missouri, Nebraska, Nevada, New Mexico, Oklahoma, Texas, Wyoming)

• Devonian of Uzbekistan (2)

Total: 176 collections including 202 occurrences