• Devonian to Triassic of Greece (1 collection)

• Devonian of Australia (1), Greece (2), Morocco (3), United States (1: Nevada)

• Silurian of Australia (1), Canada (2: Québec), Malaysia (1), the Russian Federation (1), Sweden (1), the United Kingdom (1), United States (91: California, Georgia, Indiana, Kentucky, Missouri, Ohio)

• Aluoja of Sweden (8)

• Whiterockian of Canada (5: British Columbia, Northwest Territories), United States (4: Nevada)

• Fennian of Canada (1: New Brunswick)

• Volkhov of Estonia (12), the Russian Federation (11), Sweden (7)

• Dawan of China (3)

• Arenig of Argentina (2), Australia (1), China (17), the Russian Federation (4)

• Arenigian of United States (1: Alaska)

• Ordovician to Silurian of Canada (21: Nunavut, Québec), United States (1: California)

• Ordovician of Argentina (34), Australia (8), Austria (1), Canada (172: British Columbia, Cape Manning, Cornwallis Island, Manitoba, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (73), the Czech Republic (1), Estonia (18), Germany (1), Greenland (9), Iran (2), Ireland (1), Kazakhstan (3), Lithuania (1), Malaysia (5), Mongolia (1), New Zealand (5), Norway (2), Peru (1), Poland (7), the Russian Federation (66), Sweden (23), the United Kingdom (1), United States (103: Alaska, Iowa, Minnesota, Missouri, Nevada, New Mexico, New York, Ohio, Oklahoma, Utah, Wyoming)

• Tremadoc of Argentina (3), Canada (9: British Columbia), China (14), Iran (8), Kazakhstan (2), the Russian Federation (6), South Korea (4), Sweden (5), United States (5: Nevada, Virginia)

• Skullrockian of United States (1: New York)

• Ibexian of United States (2: Nevada, New York)

• Cambrian of Canada (4: Alberta, Nunuvat), China (2), Norway (1)

Total: 808 collections including 1356 occurrences