• 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), Türkiye (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 Austria (1), the Russian Federation (2)

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

• Devonian of Uzbekistan (2)

Total: 177 collections including 203 occurrences