• Triassic of China (35 collections), India (1), Israel (1), Italy (6)

• Permian of Afghanistan (2), Armenia (13), Australia (15), Azerbaijan (23), China (85), Greece (1), India (8), Indonesia (1), Iran (57), Israel (12), Italy (30), Japan (27), Lithuania (7), Malaysia (1), Mongolia (1), the Russian Federation (7), Slovenia (1), Svalbard and Jan Mayen (1), Tajikistan (9), Thailand (4), Tunisia (1), Türkiye (17), United States (2: Alaska, Texas), Venezuela (1)

• Carboniferous to Permian of Türkiye (1)

• Carboniferous of Austria (1), Norway (6), Ukraine (1), United States (13: Kansas, Texas)

• Devonian of Czechia (4)

Total: 395 collections including 571 occurrences