• Triassic of China (1 collection), Italy (1), Türkiye (13), United States (1: Alaska)

• Permian of Australia (26), Canada (2: British Columbia), China (122), Greece (3), Hungary (5), Iran (4), Israel (3), Italy (6), Japan (1), Lithuania (13), the Russian Federation (6), Serbia (3), Slovenia (3), Thailand (11), United States (12: Kansas, Nevada)

• Carboniferous of China (1), Germany (2), Ukraine (3), United States (32: Arizona, Indiana, Kansas, Missouri, Nebraska, Oklahoma, Texas, Wyoming)

• Givetian of France (1)

• Devonian of Belgium (1), Canada (1: Northern Territories), China (2), France (3), Italy (1), Morocco (1), Poland (21), the Russian Federation (22), Türkiye (2), United States (7: Michigan, Nevada, Ohio)

• Jaani of Estonia (2)

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

• Silurian of China (2), Czechia (1), Estonia (2), Lithuania (1), the Russian Federation (2), United States (2: Georgia, Oklahoma)

• Chazyan of Canada (5: Northwest Territories)

• Whiterockian of Canada (1: Northwest Territories), United States (3: Nevada)

• Ordovician of Argentina (1), Canada (21: Northwest Territories), China (3), Latvia (1), the Russian Federation (5), Spain (1), United States (17: Iowa, Minnesota, Nevada)

Total: 408 collections including 622 occurrences