• Quaternary of Australia (1 collection), Costa Rica (4), Ecuador (1), Italy (1), Jamaica (1), Japan (1), Panama (2), United States (16: California, Florida)

• Pliocene to Pleistocene of Ecuador (1)

• Pliocene of Costa Rica (6), Ecuador (1), Italy (1), Jamaica (3), Japan (1), Mexico (1), Panama (21), United States (13: California, Florida, North Carolina, South Carolina, Virginia), Venezuela (7)

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

• Miocene of Argentina (1), Australia (5), Denmark (1), the Dominican Republic (4), Ecuador (1), Germany (20), Grenada (2), Indonesia (2), Japan (1), New Zealand (2), Panama (76), Slovakia (1), Trinidad and Tobago (2), United States (36: Delaware, Florida, Maryland, New Jersey), Venezuela (1)

• Oligocene of Denmark (2), Haiti (1), Hungary (2), Panama (1), Trinidad and Tobago (1), United States (16: Mississippi, Washington)

• Eocene of Antarctica (3), Colombia (1), France (1), Japan (1), Mexico (4), Panama (2), the United Kingdom (4), United States (178: Alabama, California, Louisiana, Maryland, Mississippi, Oregon, Texas, Virginia, Washington)

• Paleocene to Eocene of Australia (1)

• Paleocene of Australia (2), Austria (1), Denmark (4), Germany (1), Greenland (1), Mexico (1), United States (44: Alabama, Louisiana, Maryland, Texas, Virginia)

• Cretaceous of Canada (1: Alberta), Germany (1), United States (83: Alabama, Arizona, Arkansas, California, Delaware, Georgia, Kansas, Maryland, Mississippi, New Mexico, North Carolina, Oregon, Tennessee, Texas)

• Permian of United States (6: Nevada)

Total: 601 collections including 696 occurrences