• Permian of China (1 collection)

• Namurian of Argentina (1), Australia (2)

• Carboniferous of Australia (52), Canada (5: Alberta), China (3), United States (11: California, Illinois, Iowa/Illinois, Oklahoma)

• Givetian of United States (1: Missouri)

• Devonian of Belgium (1), Canada (9: Northwest Territories, Ontario), China (1), Colombia (20), Germany (5), the Russian Federation (2), United States (171: Indiana, Iowa, Maryland, Michigan, Nevada, New Mexico, New York, Ohio, Pennsylvania, Wisconsin), Venezuela (2)

• Silurian to Devonian of Pakistan (1)

Total: 288 collections including 302 occurrences