• Jurassic of Italy (1 collection)

• Permian of Pakistan (1)

• Devonian of Belarus (1), Germany (2), the Russian Federation (1)

• Silurian of Belarus (1), Canada (4: Northwest Territories, Ontario), Estonia (1), the Russian Federation (2), the United Kingdom (6), United States (19: New York)

• Uhaku of Sweden (1)

• Chazyan of Canada (5: Quebec), United States (8: New York, Vermont)

• Whiterockian of Canada (1: Newfoundland and Labrador), United States (1: Utah)

• Arenig of Argentina (1), United States (1: Utah)

• Ordovician of Canada (7: Ontario, Quebec), China (3), Estonia (15), France (2), India (4), Libya (1), Mongolia (1), Norway (4), the Russian Federation (1), Spain (2), Sweden (7), the United Kingdom (1), United States (129: Georgia, Iowa, Iowa, Wisconsin, Illinois, Kentucky, Minnesota, Minnesota, Iowa, Minnesota, Iowa, Wisconsin, Illinois, New York, Ohio, Oklahoma, Tennessee, Vermont, Virginia, Wisconsin), Venezuela (1)

• Tremadoc of China (2)

Total: 237 collections including 274 occurrences