• Uhaku of Sweden (5 collections)

• Dobrotivian of Czechia (7), France (1), Morocco (1), Portugal (1), Spain (3)

• Letna of Czechia (1)

• Liben of Czechia (5)

• Whiterockian of Canada (24: Newfoundland, Newfoundland and Labrador), Norway (4), United States (29: Nevada, Oklahoma, Utah)

• Chazyan of Canada (4: Newfoundland and Labrador)

• Langevoja of Sweden (4)

• Hunderum of Sweden (6)

• Billingen of Norway (1), Sweden (7)

• Klabava of Czechia (1), France (1)

• Arenig of Argentina (3), Bolivia (1), China (65), France (5), Iran (1), Morocco (1), Norway (4), the Russian Federation (1), Spain (1), Sweden (5), the United Kingdom (6)

• Arenigian of Canada (2: Northwest Territories), China (21)

• Dawan of China (4)

• Ordovician of Argentina (12), Australia (2), Canada (62: Alberta, British Columbia, Newfoundland, Newfoundland and Labrador, Northwest Territories, Quebec, Yukon), China (157), Colombia (1), Czechia (20), Estonia (1), France (12), Greenland (4), Iran (13), Ireland (10), Italy (3), Kazakhstan (8), Morocco (3), Norway (19), Oman (1), the Russian Federation (23), Spain (1), Sweden (51), the United Kingdom (51), United States (66: Alaska, British Columbia, California, Idaho, Maine, Montana, Nevada, New Mexico, New York, Oklahoma, Texas, Utah, Vermont, Virginia)

• Ibexian of United States (3: California, Nevada)

• Skullrockian of Canada (22: British Columbia, Newfoundland), Greenland (1), United States (25: New York, Texas, Utah)

• Cambrian to Ordovician of Argentina (1), Canada (1: Quebec), the Russian Federation (1)

• Cambrian of Canada (4: Newfoundland and Labrador), China (10), the Russian Federation (3), United States (10: Texas, Utah)

Total: 826 collections including 1183 occurrences