• Cretaceous of Bulgaria (1 collection), Croatia (5), Italy (36), Romania (2), Slovakia (1), Slovenia (1), Turkey (19)

• Jurassic of Germany (1), Italy (3), Slovenia (2)

• Triassic of Austria (8), China (33), Germany (1), Greece (2), Greenland (1), Hungary (6), Italy (4), Papua New Guinea (1), Slovakia (2), Slovenia (1), Turkey (4)

• Permian of Armenia (1), Azerbaijan (3), China (5), Hungary (1), Iran (5), Italy (3), the Russian Federation (1), Slovenia (2), Turkey (1), the United Arab Emirates (1)

• Carboniferous of Afghanistan (1), Belgium (2), Canada (3: Nunavut), France (3), Ireland (13), the Russian Federation (18), Spain (2), the United Kingdom (7), United States (31: California, Iowa, Missouri, Nevada, New Mexico, Texas, Wyoming), Uzbekistan (1)

• Devonian of Uzbekistan (1), Vietnam (1)

Total: 240 collections including 294 occurrences