• Permian of China (2 collections), Israel (1), Italy (3)

• Carboniferous of China (1), Spain (1), the United Kingdom (1), United States (9: Indiana, Kentucky, Oklahoma)

• Couvinien of Australia (1)

• Devonian of Australia (5), Brazil (1), Canada (1: Nunavut), China (2), Czechia (1), France (1), Germany (4), Luxembourg (1), Morocco (1), the Russian Federation (1), Spain (2), Ukraine (2), United States (34: Alaska, Illinois, Michigan, Nevada, New York, Ohio, Pennsylvania, West Virginia)

• Jaani of Estonia (1)

• Silurian to Devonian of Italy (2)

• Silurian of Australia (1), Canada (20: Northwest Territories, Nova Scotia, Ontario, Quebec, Québec), China (1), Czechia (1), Estonia (2), Germany (4), Ireland (1), Italy (3), Latvia (1), Lithuania (5), Norway (4), the Russian Federation (12), Sweden (13), Ukraine (12), the United Kingdom (27), United States (83: Maryland, Michigan and Ohio, New York, West Virginia)

• Ordovician to Silurian of Canada (1: Québec)

• Ordovician of Australia (5), Canada (1: Nunavut), United States (15: Iowa, Minnesota, New York, Oklahoma, Tennessee)

Total: 290 collections including 400 occurrences