• Triassic of China (35 collections), India (2), Israel (1), Italy (6), Papua New Guinea (1)

• Permian of Afghanistan (3), Armenia (21), Australia (15), Azerbaijan (31), China (113), Croatia (2), Greece (3), Hungary (1), India (8), Indonesia (1), Iran (90), Israel (12), Italy (31), Japan (61), Lithuania (7), Malaysia (1), Mongolia (1), the Russian Federation (7), Slovenia (1), Svalbard and Jan Mayen (1), Tajikistan (15), Thailand (6), Tunisia (3), Türkiye (28), Ukraine (2), United States (3: 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: 539 collections including 928 occurrences