• Devonian of Canada (6: British Columbia, Nunavut collections), China (7), the Czech Republic (5), Morocco (2), the Russian Federation (10), Tajikistan (3), Ukraine (6), United States (5: Alaska, Nevada), Uzbekistan (1)

• Whitwellian of Canada (3: Northwest Territories)

• Jaani of Lithuania (4)

• Silurian of Australia (14), Austria (5), Belarus (3), Canada (102: Northwest Territories, Nunavut, Ontario, Quebec, Québec, Yukon, Yukon Territory), China (20), the Czech Republic (38), Estonia (15), Greenland (2), Kazakhstan (1), Latvia (2), Lithuania (28), Mongolia (2), Morocco (1), Norway (10), the Russian Federation (40), Sweden (3), Tajikistan (2), Ukraine (10), the United Kingdom (1), United States (23: Alaska, Arkansas, California, Iowa, Nevada)

• Ordovician to Silurian of Norway (1)

• Ordovician of Australia (7), Canada (2: Quebec, Québec), China (3), the United Kingdom (9), United States (4: Illinois, Iowa, Minnesota, New York)

Total: 400 collections including 554 occurrences