• Triassic of United States (1: North Carolina collection)

• Permian of Argentina (1), Australia (1), China (65), Germany (4), India (1), Indonesia (1), Italy (1), North Korea (4), Oman (1), South Africa (1), South Korea (4), United States (2: Texas)

• Desmoinesian of United States (16: Indiana)

• Westphalian of Canada (1: Nova Scotia), United States (3: Alabama, Illinois)

• Pennsylvanian of Canada (6: Nunavut), India (1), United States (15: Georgia, Illinois, Kansas, Kentucky, Michigan, New Mexico, Ohio, Utah)

• Atokan of United States (3: Indiana)

• Chesterian of Canada (1: Northwest Territories)

• Osagean of United States (1: Virginia)

• Carboniferous of Belgium (1), Canada (8: New Brunswick, Northwest Territories, Nova Scotia), France (1), Germany (4), the Netherlands (2), Spain (1), Turkey (3), Ukraine (2), the United Kingdom (25), United States (52: Alabama, Arizona, Colorado, Georgia, Illinois, Indiana, Kentucky, Missouri, Ohio, Oklahoma, Utah, Virginia, West Virginia)

• Mississippian of Canada (9: New Brunswick, Newfoundland and Labrador, Nova Scotia, Nunavut), France (2), the United Kingdom (2), United States (3: Illinois, Utah, West Virginia)

• Devonian of Norway (3), United States (6: Indiana, Kentucky, New York)

Total: 258 collections including 484 occurrences