• Devonian of Afghanistan (1 collection), Argentina (1), Australia (37), Belarus (1), Canada (40: British Columbia, Northwest Territories, Nunavut, Quebec, Yukon), China (19), the Czech Republic (5), France (3), Germany (3), Italy (2), Kazakhstan (1), Mongolia (1), Morocco (3), New Zealand (1), Poland (9), the Russian Federation (6), Spain (3), Tajikistan (2), Ukraine (4), United States (89: Alaska, Maryland, Nevada, New York, Oklahoma, Tennessee, West Virginia, Maryland, Pennsylvania), Vietnam (3)

• Whitwellian of Canada (3: Northwest Territories)

• Jaani of Estonia (7), Lithuania (6)

• Niagaran of Canada (3: Québec)

• Silurian to Devonian of Argentina (1), Australia (1), Canada (1: Nova Scotia), Poland (2), United States (1: Oklahoma)

• Silurian of Argentina (5), Australia (8), Belarus (6), Canada (55: British Columbia, New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Québec, Yukon, Yukon Territory), China (41), the Czech Republic (9), Estonia (29), Ireland (3), Kazakhstan (7), Latvia (3), Lithuania (59), Mexico (10), Mongolia (9), New Zealand (1), Norway (62), Poland (2), the Russian Federation (13), Spain (2), Sweden (24), Tajikistan (1), Ukraine (13), the United Kingdom (55), United States (74: Alabama, Alaska, California, Illinois, Indiana, Iowa, Missouri, Nebraska, Nevada, Oklahoma, Tennessee, Utah, Wisconsin), Venezuela (2)

• Ordovician to Silurian of Norway (1), the Russian Federation (1)

• Ordovician of Australia (5), Belarus (2), China (1), Estonia (13), Ireland (1), Latvia (2), Lithuania (7), Myanmar (1), the Russian Federation (1), Turkey (1), the United Kingdom (1)

Total: 789 collections including 871 occurrences