• Devonian of Argentina (4 collections), Australia (13), Bolivia (2), Canada (31: British Columbia, Northwest Territories, Nunavut, Quebec, Yukon, Yukon Territory), China (9), the Czech Republic (2), France (3), Germany (2), Poland (1), Ukraine (2), United States (46: Michigan, Nevada, New York, Ohio)

• Whitwellian of Canada (3: Northwest Territories)

• Jaani of Estonia (2)

• Silurian to Devonian of Argentina (1), Canada (1: Nova Scotia), Morocco (3)

• Silurian of Argentina (4), Australia (12), Belarus (3), Canada (60: Northwest Territories, Nova Scotia, Nunavut, Quebec, Québec, Yukon, Yukon Territory), China (8), the Czech Republic (6), Estonia (16), France (1), Iran (1), Ireland (3), Lithuania (14), Morocco (1), Norway (22), Poland (1), Spain (4), Sweden (4), Ukraine (7), the United Kingdom (70), United States (5: Nevada, New York)

• Dobrotivian of France (3), Portugal (1), Spain (3)

• Letna of the Czech Republic (1)

• Chazyan of United States (1: Alabama)

• Dawan of China (2)

• Klabava of the Czech Republic (1)

• Arenig of China (4), the United Kingdom (1)

• Ordovician to Silurian of Bolivia (1), Canada (4: Québec)

• Ordovician of Argentina (6), Australia (2), Belarus (2), Bolivia (3), Canada (16: Northwest Territories, Ontario, Quebec, Québec, Yukon), China (41), the Czech Republic (16), Estonia (23), France (4), Ireland (5), Kazakhstan (9), Latvia (29), Lithuania (3), Morocco (8), Myanmar (1), New Zealand (1), Norway (13), Peru (2), Poland (2), Portugal (3), the Russian Federation (2), Spain (9), Sweden (24), Thailand (1), Turkey (3), the United Kingdom (28), United States (118: Alaska, California, Georgia, Illinois, Iowa, Kentucky, Minnesota, Missouri, New York, Oklahoma, Tennessee, Virginia, Wisconsin), Venezuela (1)

Total: 764 collections including 947 occurrences