• Jaani of Estonia (6 collections), Lithuania (3)

• Silurian of Belarus (1), Canada (30: Northwest Territories, Nunavut, Quebec, Québec), China (1), Czechia (7), Estonia (15), Greenland (1), Lithuania (7), Norway (1), Sweden (8), Ukraine (3), the United Kingdom (45), United States (21: Alabama, Arkansas, Indiana, Iowa, Missouri, New York, Oklahoma, Tennessee, Wisconsin)

• Uhaku of the Russian Federation (1)

• Dobrotivian of France (2), Spain (1)

• Letna of Czechia (1)

• Whiterockian of United States (7: Arkansas, Maryland, Nevada, Pennsylvannia, Virginia)

• Chazyan of Canada (5: Newfoundland and Labrador, Northwest Territories, Quebec), United States (47: Alabama, New York, Tennessee, Vermont, Virginia)

• Ordovician to Silurian of Canada (6: Québec)

• Ordovician of Argentina (4), Australia (3), Belgium (16), Canada (21: British Columbia, Northwest Territories, Ontario, Quebec, Québec), China (43), Czechia (7), Estonia (30), France (3), Iran (2), Ireland (6), Kazakhstan (22), Latvia (33), Lithuania (4), Mongolia (1), Morocco (2), Myanmar (1), New Zealand (1), Norway (27), Peru (2), Portugal (8), the Russian Federation (28), Spain (7), Sweden (21), Thailand (1), the United Kingdom (124), United States (58: Georgia, Illinois, Illinois, Iowa, Michigan, Minnesota, Missouri, Nevada, New York, Oklahoma, Pennsylvania, Tennessee, Virginia), Venezuela (1)

Total: 695 collections including 800 occurrences