• Givetian of United States (1: Missouri collection)

• Devonian of Canada (14: Northwest Territories, Ontario, Yukon), China (2), the Czech Republic (15), Germany (1), Kazakhstan (1), Morocco (3), the Russian Federation (25), Tajikistan (2), Ukraine (8), United States (119: Alaska, Indiana, Iowa, Michigan, Missouri, Nevada, New York, Pennsylvania, Wisconsin), Uzbekistan (1)

• Whitwellian of Canada (2: Northwest Territories)

• Jaani of Lithuania (2)

• Niagaran of Canada (2: Québec)

• Silurian of Afghanistan (1), Australia (3), Canada (60: British Columbia, Northwest Territories, Nunavut, Ontario, Quebec, Québec, Yukon), the Czech Republic (13), Estonia (11), Iran (1), Latvia (1), Lithuania (13), Norway (24), the Russian Federation (20), Sweden (13), Ukraine (1), the United Kingdom (62), United States (46: Alaska, Arkansas, California, Illinois, Indiana, Iowa, Nevada, New York, Oklahoma, Wisconsin), Venezuela (1)

• Ordovician to Silurian of Norway (1)

• Ordovician of Sweden (2)

Total: 471 collections including 545 occurrences