• Devonian of Australia (24 collections), Austria (1), Belgium (3), Bolivia (2), Canada (16: Northwest Territories, Nunavut, Quebec, Yukon), China (1), Colombia (1), the Czech Republic (44), France (8), Germany (14), Italy (3), Morocco (33), Poland (1), the Russian Federation (2), Spain (6), United States (7: Alaska, Iowa, Nevada, Oklahoma), Uzbekistan (2), Vietnam (1)

• Whitwellian of Canada (5: Northwest Territories)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Australia (6), Canada (15: Northwest Territories, Nunavut, Ontario, Quebec, Yukon Territory), China (2), the Czech Republic (29), Estonia (1), Greenland (1), Latvia (2), Morocco (2), Poland (1), Tajikistan (2), the United Kingdom (3), United States (12: Illinois, Indiana, Iowa, Maine, New York, Tennessee, Wisconsin)

• Whiterockian of United States (3: New York)

• Arenig of France (1)

• Ordovician to Silurian of Canada (1: Québec)

• Ordovician of Belgium (2), Canada (8: Northwest Territories, Quebec), China (4), the Russian Federation (1), Sweden (4), the United Kingdom (12), United States (15: Illinois, Kentucky, Missouri, Nevada, Oklahoma, Virginia)

Total: 302 collections including 363 occurrences