• Silurian of Algeria (2 collections), Australia (1), Canada (5: Northwest Territories, Nunavut, Yukon), China (21), Czechia (1), Denmark (7), France (5), Morocco (3), the Russian Federation (10), Saudi Arabia (1), Serbia (3), the United Kingdom (11), United States (8: Alaska, Idaho), Uzbekistan (2), Western Sahara (1)

• Uhaku of Lithuania (1), Sweden (3)

• Dobrotivian of Portugal (2), Spain (2)

• Whiterockian of Canada (2: Newfoundland and Labrador)

• Arenig of China (20), Norway (2)

• Ningkuo of China (10)

• Dawan of China (2)

• Ordovician to Silurian of the Russian Federation (1), United States (1: Alaska)

• Ordovician of Argentina (9), Australia (2), Canada (20: Northwest Territories, Nunavut, Québec, Yukon), China (61), Czechia (3), Estonia (3), Latvia (1), Lithuania (2), New Zealand (3), Norway (5), Peru (1), the Russian Federation (8), Spain (1), Sweden (3), the United Kingdom (1), United States (27: Alaska, Idaho, Nevada, New York, Tennessee), Venezuela (1)

Total: 278 collections including 339 occurrences