• Quaternary of Chile (1 collection), United States (2: Alaska, Florida)

• Pliocene of United States (1: South Carolina)

• Miocene to Pliocene of United States (1: Alaska)

• Miocene of Kenya (1), Panama (1), United States (3: California)

• Oligocene of Japan (1), United States (1: Montana)

• Eocene of Mexico (1), Romania (2), Spain (1), United States (6: Louisiana, Texas)

• Paleocene of Croatia (1), Pakistan (1)

• Cretaceous of Antarctica (1), Brazil (2), Bulgaria (1), the Czech Republic (2), France (1), Germany (1), New Zealand (2), Portugal (1), Switzerland (1), United States (2: Alaska, Arizona)

• Jurassic of France (1), Slovenia (1), the United Kingdom (3), United States (1: Massachusetts)

• Triassic of United States (2: New Jersey, Virginia)

• Permian of United States (1: Arizona)

• Carboniferous to Permian of United States (1: California)

• Carboniferous of Antarctica (1), France (1), Ireland (1), United States (9: Arkansas, Indiana, New Mexico, Oklahoma)

• Devonian of Germany (1), Norway (1), United States (2: Ohio, Pennsylvania)

• Silurian of Canada (1: Ontario), Sweden (1), the United Kingdom (1), United States (4: Indiana, Maryland, New York, Wisconsin)

• Ordovician of Argentina (3), Canada (1: Ontario), Norway (1), the United Kingdom (1)

• Delamaran of Canada (2: British Columbia)

• Cambrian of Canada (1: British Columbia), China (1), Greenland (1), United States (3: Nevada, Utah)

Total: 85 collections including 86 occurrences