• Givetian of France (3 collections)

• Devonian of Argentina (2), Australia (10), Brazil (2), Canada (15: British Columbia, Northwest Territories, Nunavut, Ontario, Quebec, Yukon), China (4), Colombia (1), the Czech Republic (6), France (5), Germany (15), Kazakhstan (1), Morocco (1), Poland (2), South Africa (2), Spain (3), Ukraine (1), United States (70: Maryland, Nevada, New York, Oklahoma, Pennsylvania, Tennessee)

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

• Silurian of Argentina (4), Australia (5), Canada (10: Northwest Territories, Ontario, Quebec, Yukon, Yukon Territory), China (2), the Czech Republic (4), Greenland (2), Lithuania (1), Sweden (4), Ukraine (1), United States (104: Alaska, Georgia, Indiana, Iowa, Maryland, Michigan, New Hampshire, New York, Oklahoma, Virginia), Venezuela (1)

Total: 284 collections including 296 occurrences