• Quaternary of the United Kingdom (1 collection)

• Jurassic of Argentina (1), France (12), Germany (31), Hungary (3), Poland (1), Portugal (13), Spain (22), Switzerland (3), the United Kingdom (20)

• Triassic of Argentina (1), Australia (1), Austria (29), Canada (10: Yukon), China (19), Hungary (7), Iran (4), Israel (2), Italy (2), Pakistan (1), Romania (11), Türkiye (4), United States (6: Alaska)

• Permian of Australia (59), Azerbaijan (9), Canada (2: British Columbia), China (49), Hungary (1), Iran (5), Italy (4), Lithuania (12), Oman (1), the Russian Federation (14), Svalbard and Jan Mayen (1), Thailand (1), the United Kingdom (1), United States (8: Kansas, Texas), Venezuela (1)

• Carboniferous of Canada (1: Yukon), China (3), Spain (1), Ukraine (3), the United Kingdom (10), United States (94: Arkansas, Indiana, Kansas, Kentucky, Maryland, Missouri, Montana, New Mexico, Oklahoma, Tennessee, Texas, Wyoming)

• Devonian of Canada (2: Northern Territories, Ontario), China (1), Czechia (1), France (3), Morocco (4), Poland (18), the Russian Federation (4), Ukraine (3), United States (30: Illinois, Michigan, Nevada, New York, Ohio, Pennsylvania, Virginia, West Virginia)

• Silurian of Australia (1), Estonia (1), Germany (3), Lithuania (2), the Russian Federation (4), Ukraine (1), the United Kingdom (17), United States (1: Oklahoma)

• Ordovician of Kazakhstan (1)

Total: 581 collections including 1178 occurrences