• Carboniferous of United States (1: Oklahoma collection)

• Devonian of Australia (6), Canada (1: Ontario), China (5), Germany (1), Morocco (1), Vietnam (1)

• Silurian to Devonian of Australia (1)

• Silurian of Malaysia (2), United States (50: California, Indiana, Kentucky, Missouri, Ohio)

• Aluoja of Sweden (8)

• Whiterockian of Canada (3: Northwest Territories), United States (8: Nevada)

• Chazyan of United States (1: Tennessee)

• Fennian of Canada (1: New Brunswick)

• Volkhov of Estonia (10), the Russian Federation (10), Sweden (7)

• Arenigian of United States (1: Alaska)

• Dawan of China (6)

• Arenig of Argentina (4), Canada (1: Ontario), China (25), Norway (1), the Russian Federation (5), United States (2: Montana, North Dakota)

• Ordovician of Argentina (33), Australia (8), Austria (3), Canada (114: British Columbia, Cape Manning, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (68), the Czech Republic (1), Denmark (1), Estonia (10), Iran (1), Ireland (1), Kazakhstan (1), Malaysia (19), Mexico (1), New Zealand (8), Norway (2), Peru (1), Poland (12), the Russian Federation (36), Spain (3), Svalbard and Jan Mayen (1), Sweden (11), Thailand (7), the United Kingdom (2), United States (71: Colorado, Iowa, Michigan, Minnesota, Missouri, Montana, Nevada, New Mexico, New York, North Dakota, Oklahoma, Texas, Utah)

• Tremadoc of Argentina (2), Canada (9: British Columbia), China (20), Iran (2), Kazakhstan (3), the Russian Federation (7), South Korea (8), Sweden (3), United States (6: Colorado, Montana, Virginia)

• Skullrockian of United States (1: New York)

• Ibexian of United States (1: New York)

• Cambrian of Australia (1), Canada (10: Alberta, Newfoundland and Labrador, Nunavut, Nunuvat), China (3), New Zealand (1), United States (1: Virginia)

Total: 655 collections including 1092 occurrences