• Miocene to Pliocene of United States (1: California collection)

• Oligocene of Colombia (1), Germany (1)

• Eocene of United States (3: Washington)

• Paleocene of United States (9: Texas)

• Cretaceous of Oman (5), United States (138: Alabama, Arizona, Arkansas, California, Georgia, Kansas, Maryland, Mississippi, Missouri, New Jersey, North Carolina, South Carolina, Texas)

Total: 158 collections including 163 occurrences