• Cretaceous of Antarctica (1 collection), Canada (1: Northwest Territories), Mexico (2), the Russian Federation (10), Svalbard and Jan Mayen (6), Switzerland (3), United States (5: Alaska, California, New Jersey)

• Jurassic to Cretaceous of United States (1: Alaska)

• Jurassic of Austria (1), Chile (7), Ethiopia (2), France (2), Germany (5), Greenland (12), Luxembourg (1), Mexico (1), the Russian Federation (2), Serbia (1), Spain (2), Svalbard and Jan Mayen (6), the United Kingdom (9), United States (19: Alaska, California)

• Paleozoic of United States (1: Alaska)

Total: 100 collections including 102 occurrences