• Triassic of Algeria (1 collection), Austria (6), Bosnia and Herzegovina (2), China (9), Colombia (1), France (3), Germany (13), Greenland (4), Hungary (9), Indonesia (8), Italy (37), Mexico (1), New Zealand (2), Peru (1), Poland (1), Spain (5), United States (1: Idaho)

• Permian of Bosnia and Herzegovina (1), Brazil (1), China (1), Germany (3), Indonesia (1), Italy (6), Pakistan (5), Poland (2), the Russian Federation (6), the United Kingdom (10), United States (1: Texas)

• Carboniferous of China (1), Ireland (1), Morocco (1), Poland (1), the United Kingdom (2), United States (16: Alaska, California, Colorado, Indiana, Iowa, Kentucky, Montana, Ohio, Utah)

• Givetian of France (2)

• Couvinien of Australia (1)

• Devonian of Algeria (1), Australia (39), Austria (10), Belgium (1), Canada (5: Manitoba, Northwest Territories), the Czech Republic (10), Germany (18), Italy (3), Kazakhstan (13), Libya (1), Luxembourg (2), New Zealand (2), Poland (5), South Africa (1), the United Kingdom (6), United States (46: Alaska, California, Iowa, Maryland, Michigan, Montana, Nevada, New Hampshire, New York, Ohio, Pennsylvania)

• Silurian to Devonian of Argentina (1), Australia (1), Austria (1), Pakistan (1)

• Silurian of Argentina (2), Australia (3), Austria (2), Canada (7: Northwest Territories, Ontario, Quebec), China (2), the Czech Republic (13), Greenland (1), Norway (3), the Russian Federation (6), Sweden (4), the United Kingdom (39), United States (30: California, Illinois, Indiana, Iowa, Maryland, Michigan and Ohio, New York, Tennessee, Wisconsin)

• Ordovician to Silurian of Canada (1: Northwest Territories)

• Ordovician of Canada (28: Manitoba, Northwest Territories, Nunavut, Ontario, Quebec), China (2), the Czech Republic (2), Ireland (1), Norway (6), Sweden (3), the United Kingdom (15), United States (40: Alaska, Illinois, Iowa, Indiana, Kentucky, Minnesota, New York, Tennessee, Virginia)

• Tremadoc of United States (1: Utah)

Total: 544 collections including 712 occurrences