• Triassic of Bosnia and Herzegovina (1 collection), Canada (1: British Columbia), China (13), Italy (1), Romania (1), Ukraine (1), United States (2: Alaska)

• Permian of Greece (2), Italy (1), Japan (4), the Russian Federation (4), Svalbard and Jan Mayen (1)

• Carboniferous of China (1), Mexico (1), the United Kingdom (2), United States (18: Alaska, Arkansas, California, Idaho, Indiana, Kentucky, Missouri, Nevada, Tennessee, Texas, Utah)

• Givetian of France (9), United States (1: Missouri)

• Devonian of Afghanistan (6), Australia (15), Austria (1), Belarus (1), Belgium (5), Brazil (2), Canada (110: Alberta, Alberta, Saskatchewan, Mackenzie, British Columbia, Manitoba, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Yukon, Yukon Territory), China (13), Colombia (11), Czechia (6), France (16), Germany (23), Luxembourg (1), Morocco (2), Myanmar (2), New Zealand (1), Poland (9), the Russian Federation (9), Spain (8), Ukraine (6), United States (322: Alaska, California, Idaho, Indiana, Iowa, Maryland, Michigan, Missouri, Montana, Nevada, New Mexico, New York, Ohio, Pennsylvania, Tennessee, West Virginia, Maryland, Pennsylvania, Wisconsin), Venezuela (4)

• Silurian to Devonian of Ukraine (1), United States (1: Oklahoma)

• Silurian of Canada (2: Northwest Territories), China (1), United States (5: California, Nevada, New York)

Total: 647 collections including 690 occurrences