• 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 (34), Germany (1), Greece (2), Greenland (1), Hungary (6), Italy (4), Papua New Guinea (1), Slovakia (2), Slovenia (1), Turkey (4)

• Permian of Afghanistan (1), Armenia (2), Azerbaijan (6), Canada (1: Nunavut), China (21), Hungary (1), Indonesia (2), Iran (20), Italy (6), Japan (7), Malaysia (3), Norway (1), the Russian Federation (8), Slovenia (4), Tajikistan (10), Thailand (1), Turkey (10), Ukraine (3), the United Arab Emirates (1), United States (9: Kansas, Nevada and Utah, Texas)

• Carboniferous to Permian of Italy (1), the Russian Federation (3)

• Carboniferous to Devonian of Uzbekistan (1)

• Carboniferous of Afghanistan (1), Austria (1), Belgium (2), Canada (4: Nunavut), China (1), France (6), Ireland (26), Italy (1), Mexico (1), Morocco (1), the Russian Federation (24), Spain (4), Thailand (5), Turkey (5), Ukraine (2), the United Kingdom (17), United States (73: California, Iowa, Kansas, Missouri, Nebraska, Nevada, New Mexico, Oklahoma, Texas, Wyoming), Uzbekistan (1)

• Devonian of Uzbekistan (2), Vietnam (1)

Total: 435 collections including 598 occurrences