• 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), Turkey (17), United States (2: Alaska, Texas), Venezuela (1)

• Carboniferous to Permian of Turkey (1)

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

• Devonian of the Czech Republic (4)

Total: 395 collections including 575 occurrences