• 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 (12: Nevada)

• Chazyan of United States (1: Tennessee)

• Billingen of Estonia (6)

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

• Arenigian of United States (1: Alaska)

• Dawan of China (6)

• Ordovician of Argentina (35), Australia (9), Austria (3), Canada (125: British Columbia, Cape Manning, New Brunswick, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (88), Czechia (1), Denmark (1), Estonia (18), Iran (3), Ireland (1), Kazakhstan (4), Malaysia (19), Mexico (1), Mongolia (1), New Zealand (8), Norway (2), Peru (1), Poland (12), the Russian Federation (66), South Korea (8), Spain (3), Svalbard and Jan Mayen (1), Sweden (21), Thailand (7), the United Kingdom (2), United States (77: Colorado, Iowa, Michigan, Minnesota, Missouri, Montana, Nevada, New Mexico, New York, North Dakota, Oklahoma, Texas, Utah, Virginia)

• Ibexian of United States (1: New York)

• Skullrockian 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: 680 collections including 1166 occurrences