• Triassic of Bosnia and Herzegovina (1 collection), China (1), Hungary (1), Indonesia (3), Italy (3), United States (1: Alaska)

• Permian of Cambodia (3), China (6), Indonesia (1), Italy (1), Japan (2), Malaysia (1), Pakistan (12), the Russian Federation (5), United States (26: Alaska, Arizona, California, Colorado, Oklahoma, Texas, Wyoming)

• Carboniferous of Australia (1), Belgium (1), Canada (1: Alberta), China (1), Ireland (1), the United Kingdom (11), United States (15: California, Indiana, Missouri, Nebraska, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas)

• Givetian of France (1)

• Devonian of Australia (19), Austria (12), Canada (12: Manitoba, Northwest Territories, Ontario), China (3), the Czech Republic (8), France (3), Germany (25), Japan (1), Luxembourg (1), Morocco (1), Poland (4), the Russian Federation (1), the United Kingdom (4), United States (25: Alaska, Illinois, Iowa, Michigan, Missouri, Nevada, New York, Ohio)

• Silurian of Canada (10: Nova Scotia, Nunavut, Ontario), China (1), the Czech Republic (9), Estonia (1), Germany (1), Greenland (1), Ireland (1), Lithuania (3), Norway (1), the Russian Federation (12), Sweden (15), Ukraine (3), the United Kingdom (7), United States (11: Alaska, California, Wisconsin)

• Whiterockian of United States (1: Nevada)

• Ordovician of Canada (7: British Columbia, Manitoba, Newfoundland, Newfoundland and Labrador), the Czech Republic (1), Estonia (4), Germany (1), Ireland (1), Latvia (1), Lithuania (2), Norway (2), the Russian Federation (5), Sweden (1), the United Kingdom (8), United States (33: Alaska, California, Iowa, Kentucky, Missouri, New York, Vermont)

Total: 361 collections including 578 occurrences