• Triassic of Austria (1 collection), Bosnia and Herzegovina (4), Chile (1), China (63), Croatia (1), East Timor (1), France (3), Germany (3), Greenland (39), Hungary (8), Indonesia (4), Iran (1), Italy (53), Japan (2), Oman (13), Pakistan (2), Romania (1), the Russian Federation (5), Slovakia (3), Switzerland (1), United States (37: Idaho, Utah), Vietnam (7)

• Permian of Australia (2), Cambodia (4), China (20), Germany (4), Greece (3), India (2), Indonesia (3), Iran (6), Italy (5), Japan (3), Malaysia (2), Mexico (3), New Zealand (1), Pakistan (16), the Russian Federation (24), Thailand (5), Tunisia (1), the United Kingdom (21), United States (71: Alaska, Arizona, California, Idaho, Kansas, Nevada, New Mexico, Oklahoma, Texas, Utah, Wyoming), Venezuela (4), Vietnam (1)

• Namurian of Poland (1)

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

• Carboniferous of Australia (9), Canada (3: Alberta, Yukon), China (3), Ireland (3), Japan (1), Poland (3), the United Kingdom (25), United States (121: Alabama, Alaska, Arizona, Arkansas, California, Illinois, Indiana, Kansas, Missouri, Montana, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Virginia, Wyoming)

• Givetian of France (1)

• Devonian to Carboniferous of the United Kingdom (1)

• Devonian of Australia (11), Canada (8: Alberta, Manitoba, Northwest Territories, Ontario), China (1), the Czech Republic (3), Germany (11), Poland (10), the Russian Federation (1), the United Kingdom (4), United States (26: Alaska, Arizona, Illinois, Iowa, Maryland, Michigan, Nevada, New York, Ohio, Pennsylvania)

• Silurian of the Czech Republic (13), the United Kingdom (4), United States (3: Indiana)

• Ordovician of China (1)

Total: 723 collections including 924 occurrences