• Triassic of Austria (1 collection), Italy (3), Japan (1), Oman (1)

• Permian of United States (1: New Mexico)

• Givetian of China (1)

• Devonian of China (6), the Russian Federation (1)

• Silurian of Canada (6: Northwest Territories, Nunavut, Ontario, Québec, Yukon), China (1), Greenland (1), Sweden (3), Ukraine (1), United States (2: Alaska), Uzbekistan (1)

• Whiterockian of Canada (1: Newfoundland and Labrador)

• Ordovician of Australia (1), Canada (1: Newfoundland and Labrador), China (10), Norway (1), the Russian Federation (2), United States (1: Tennessee)

• Cambrian of Canada (1: Northwest Territories), the Russian Federation (1)

Total: 49 collections including 52 occurrences