• Triassic of China (12 collections), Hungary (1), Iran (1), Italy (6), Romania (1), Saudi Arabia (2), Turkey (1)

• Permian of Canada (2: British Columbia), China (54), Greece (2), Guatemala (5), Hungary (10), Iran (3), Israel (5), Italy (12), Japan (1), Oman (15), Saudi Arabia (2), Serbia and Montenegro (4), Svalbard and Jan Mayen (1), Thailand (21), Turkey (2), United States (12: Kansas, Texas, Wyoming)

• Carboniferous of Canada (2: Alberta, Yukon), China (1), the Russian Federation (4), Spain (1), the United Kingdom (7), United States (28: Arkansas, California, Illinois, Kansas, Kentucky, Missouri, New Mexico, Oklahoma, Texas, Wyoming)

• Devonian of Argentina (1), Canada (2: Northern Territories, Ontario), China (4), France (4), Germany (1), Morocco (4), Poland (7), the Russian Federation (18), Saudi Arabia (1), United States (18: Alaska, Illinois, Michigan, Nevada, New York, Ohio)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Australia (1), Canada (1: Ontario), Germany (2), United States (65: Maryland, New York, Oklahoma, Pennsylvania, Virginia, West Virginia)

• Chazyan of Canada (1: Northwest Territories)

• Ordovician of Sweden (1), United States (2: Iowa, Minnesota)

Total: 352 collections including 546 occurrences