• Paleocene of United States (6: Texas collections)

• Motuan of New Zealand (1)

• Cretaceous of Antarctica (5), Armenia (1), Australia (3), Belgium (1), Brazil (1), Canada (1: Nunavut), Chile (15), China (1), Egypt (3), France (15), Georgia (1), Greenland (4), Italy (2), Japan (3), Mexico (1), New Zealand (7), North Atlantic (1), Poland (1), the Russian Federation (1), Switzerland (16), Turkey (1), USSR (1), the United Kingdom (1), United States (72: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Georgia, Kansas, Mississippi, Montana, New Jersey, New Mexico, Texas, Utah), Uzbekistan (1), Venezuela (1), Yemen (2)

• Jurassic to Cretaceous of Antarctica (1), Chile (1)

• Jurassic of Argentina (18), Canada (46: Alberta, British Columbia, Northwest Territories, Yukon), Chile (10), Cuba (2), Denmark (17), France (6), Georgia (1), Germany (4), Greenland (76), Hungary (1), Italy (1), Japan (2), Morocco (8), New Zealand (4), Peru (1), the Russian Federation (2), Slovakia (1), Tunisia (6), Turkey (1), Ukraine (3), the United Kingdom (5), United States (7: Alaska, California, Nevada, Utah)

• Triassic to Jurassic of Chile (1)

• Triassic of Australia (1), Austria (2), Canada (2: British Columbia), China (10), Germany (1), Greenland (1), India (1), Iran (1), Italy (3), Kazakhstan (1), Oman (1), Singapore (1), Slovakia (1), Spain (1), Svalbard and Jan Mayen (5), Thailand (1), United States (65: Alaska, Idaho, Nevada, Oregon, Utah)

• Permian to Triassic of India (1)

• Permian of China (5), Malaysia (1), Pakistan (3), Slovenia (1), Thailand (1), Turkey (1), United States (2: California, Texas)

• Carboniferous of Japan (1), Serbia and Montenegro (3), United States (41: Arkansas, Iowa, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, Texas)

• Devonian of Germany (1), Spain (1), United States (2: Alaska, New York)

• Phanerozoic of Chile (1)

• Paleozoic of United States (1: Alaska)

Total: 558 collections including 653 occurrences