• Triassic of China (6 collections)

• Permian of Azerbaijan (3), China (5), Greece (1), Indonesia (1), Italy (1), Japan (22), Oman (8), Thailand (1), Türkiye (8)

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

• Carboniferous to Devonian of Uzbekistan (1)

• Carboniferous of Belgium (1), Canada (2: Nova Scotia, Nunavut), China (1), France (1), Morocco (1), the Russian Federation (3), the United Kingdom (1), United States (7: California, Iowa, New Mexico, Wyoming)

• Devonian of Belgium (2), China (1), Czechia (32), Germany (22), Libya (1), Morocco (5), Poland (1), the Russian Federation (3), Spain (2), Tajikistan (5), Türkiye (2), Uzbekistan (4), Vietnam (2)

Total: 159 collections including 271 occurrences