• Triassic to Jurassic of United States (1: Alaska collection)

• Triassic of Bosnia and Herzegovina (1), India (1), Indonesia (1), New Zealand (1), United States (2: California)

• Permian of Argentina (5), Australia (166), Bosnia and Herzegovina (1), Brazil (3), Chile (1), China (45), Germany (2), Greece (2), Greenland (1), India (9), Indonesia (6), Italy (8), Japan (5), Kazakhstan (1), Laos (1), Lithuania (3), Madagascar (1), Malaysia (4), Mexico (3), Mongolia (5), New Zealand (13), Oman (1), Pakistan (15), Peru (1), Poland (1), the Russian Federation (128), South Africa (1), Thailand (1), the United Kingdom (9), United States (62: Arizona, Colorado, Idaho, Kansas, Montana, Nevada, New Mexico, Oklahoma, Texas, Utah, Wyoming), Venezuela (3)

• Namurian of Argentina (1)

• Carboniferous to Permian of the Russian Federation (2), United States (3: Texas)

• Carboniferous of Antarctica (1), Argentina (12), Australia (5), Belize (2), Brazil (2), Canada (3: Alberta, Northwest Territories, Yukon), China (2), Ireland (1), Japan (1), Libya (1), Mexico (10), Peru (1), the Russian Federation (2), Spain (1), Svalbard and Jan Mayen (1), Ukraine (4), the United Kingdom (33), United States (145: Alaska, Arizona, Arkansas, California, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, Virginia, West Virginia, Wyoming)

• Devonian of Antarctica (2), Argentina (1), Australia (9), Bolivia (1), Brazil (24), Canada (6: Alberta, New Brunswick, Ontario, Quebec), China (17), Colombia (1), Czechia (1), France (5), Germany (7), Ghana (1), Libya (4), Luxembourg (2), Morocco (4), New Zealand (4), Poland (5), the Russian Federation (3), South Africa (11), Spain (4), Türkiye (1), the United Kingdom (5), United States (223: Alaska, Florida, Iowa, Maryland, Michigan, Missouri, Montana, New York, Ohio, Pennsylvania, Pennsylvannia, Virginia, West Virginia), Venezuela (1), Vietnam (4)

• Silurian to Devonian of Spain (1)

• Silurian of Canada (4: British Columbia, Nova Scotia, Ontario), China (2), Czechia (1), Estonia (1), France (1), the United Kingdom (44), United States (14: Alaska, New York)

• Letna of Czechia (1)

• Ordovician of Argentina (2), Bolivia (1), Canada (5: Ontario, Quebec), China (2), Czechia (2), Norway (7), the Russian Federation (1), Sweden (1), the United Kingdom (3), United States (40: Illinois, Iowa, Indiana, Kentucky, Michigan, Minnesota, Minnesota, Illinois, Iowa, New York, Ohio, Pennsylvania, Tennessee, Virginia, Wisconsin, Illinois, Iowa)

Total: 1226 collections including 1646 occurrences