• Permian of Canada (2: Nunavut collections), Iran (1), Myanmar (1), Norway (9), the Russian Federation (6), Svalbard and Jan Mayen (1), United States (8: Alaska, California, Nevada, Texas, Utah)

• Carboniferous to Permian of Svalbard and Jan Mayen (1)

• Carboniferous of Algeria (1), Australia (8), Belgium (1), Canada (33: Alberta, Northwest Territories, Nunavut, Yukon), China (3), Egypt (1), Germany (1), Ireland (5), Japan (1), Mexico (2), Morocco (13), Poland (1), the Russian Federation (7), Spain (3), Svalbard and Jan Mayen (6), Ukraine (4), the United Kingdom (87), United States (96: Alaska, Arizona, California, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Montana, Nevada, New Mexico, Texas, Utah, Virginia, Wyoming)

• Couvinien of Australia (1)

• Devonian of Afghanistan (5), Australia (12), Austria (2), Canada (12: Alberta, Manitoba, Northwest Territories, Ontario), China (9), the Czech Republic (13), France (3), Germany (23), Laos (1), Morocco (2), Poland (6), the Russian Federation (12), Spain (2), Thailand (1), the United Kingdom (3), United States (45: Alaska, California, Idaho, Indiana, Kentucky, Montana, and Wyoming, Nevada, New York), Vietnam (5)

• Jaani of Estonia (1)

• Niagaran of United States (1: Indiana)

• Silurian of Australia (5), Belarus (1), Canada (44: British Columbia, New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec), China (15), Estonia (4), Ireland (1), Mongolia (7), Norway (7), Poland (1), the Russian Federation (32), Sweden (13), Ukraine (12), the United Kingdom (4), United States (41: Alaska, California, Illinois, Indiana, Iowa, Michigan, Nebraska, New York, Ohio)

• Ordovician to Silurian of Canada (2: British Columbia), United States (1: Alaska)

• Ordovician of Canada (1: Nunavut), China (3), the Russian Federation (8)

Total: 663 collections including 772 occurrences