• 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 (5), Estonia (15), France (2), India (4), Libya (1), Mongolia (1), New Zealand (1), Norway (4), the Russian Federation (1), Spain (2), Sweden (7), the United Kingdom (2), 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)

Total: 239 collections including 276 occurrences