• Givetian of the Russian Federation (1 collection), United States (1: Missouri)

• Devonian of Afghanistan (6), Australia (16), Austria (2), Belgium (17), Brazil (1), Canada (120: Alberta, British Columbia, Manitoba, Northwest Territories, Nunavut, Quebec, Yukon, Yukon Territory), China (16), the Czech Republic (16), France (9), Germany (14), Italy (4), Kazakhstan (1), Morocco (4), Myanmar (2), Poland (3), the Russian Federation (65), Spain (6), Tajikistan (10), Thailand (1), Ukraine (1), United States (127: Alaska, Arizona, California, Iowa, Maryland, Michigan, Nevada, New Mexico, New York, Oklahoma, Tennessee, West Virginia, Maryland, Pennsylvania), Uzbekistan (7), Vietnam (4)

• Whitwellian of Canada (3: Northwest Territories)

• Jaani of Estonia (2)

• Niagaran of Canada (1: Québec), United States (1: Ohio)

• Silurian to Devonian of Australia (1), Pakistan (1), Poland (1), Ukraine (1), United States (1: Oklahoma)

• Silurian of Australia (5), Belarus (3), Canada (58: New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec, Québec, Yukon), China (3), the Czech Republic (17), Estonia (5), Ireland (1), Kazakhstan (1), Latvia (1), Lithuania (11), Mexico (3), Mongolia (2), the Russian Federation (14), Sweden (20), Tajikistan (2), Ukraine (6), the United Kingdom (29), United States (54: Alaska, California, Illinois, Indiana, Iowa, Maine, Nevada, New York, Oklahoma, Tennessee, West Virginia, Wisconsin), Venezuela (2)

Total: 703 collections including 958 occurrences