• Triassic of New Caledonia (3 collections), New Zealand (11)

• Permian of Afghanistan (1), Australia (26), Canada (2: British Columbia, Nunavut), China (10), India (3), Japan (3), Madagascar (1), Mexico (1), New Caledonia (5), New Zealand (3), Oman (3), Pakistan (6), the Russian Federation (9), United States (6: Idaho, Texas, Wyoming)

• Carboniferous to Permian of China (1)

• Carboniferous of Argentina (4), Australia (7), Canada (1: Alberta), Chile (1), the United Kingdom (1), United States (48: Alabama, Arizona, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Montana, Nevada, New Mexico, Oklahoma, Texas)

• Devonian of Algeria (1), Australia (5), Brazil (13), Canada (7: Alberta, Quebec), Chile (1), the Czech Republic (2), Germany (3), South Africa (7), United States (17: Missouri, Nevada, New York)

• Silurian of Argentina (1), Australia (6), Brazil (1), Canada (2: Nova Scotia, Ontario), China (1), the Czech Republic (5), Jordan (2), Paraguay (1), Poland (1), the Russian Federation (1), Sweden (1), the United Kingdom (1), United States (29: Illinois, Indiana, Iowa, Maryland, New York, Oklahoma)

• Dobrotivian of the Czech Republic (2), Portugal (1), Spain (2)

• Letna of the Czech Republic (1)

• Chazyan of Canada (1: Quebec), United States (5: New York)

• Fennian of France (1)

• Arenig of Spain (1), United States (1: Montana)

• Klabava of the Czech Republic (1)

• Ordovician of Argentina (1), Canada (17: Manitoba, Northwest Territories, Ontario, Quebec), China (1), the Czech Republic (6), France (1), Morocco (2), Spain (3), Sweden (5), the United Kingdom (4), United States (34: California, Florida, Indiana, Kentucky, Michigan, Minnesota, Missouri, New York, Ohio, Pennsylvania, Virginia)

• Ediacaran of Brazil (1)

Total: 355 collections including 444 occurrences