• Quaternary of Australia (5 collections), China (3), the Dominican Republic (1), Eritrea (1), France (2), Italy (5), Japan (2), the Marshall Islands (1), Mexico (1), Morocco (9), the Netherlands (1), Poland (4), Portugal (11), Saudi Arabia (1), South Africa (1), Spain (8), Tuvalu (1), United States (20: California, Florida, North Carolina)

• Pliocene to Pleistocene of United States (6: California, Oregon)

• Pliocene of Australia (2), Belgium (1), Cyprus (1), the Dominican Republic (2), Greece (4), Indonesia (5), Italy (6), Jamaica (2), Japan (5), the Marshall Islands (1), South Africa (1), United States (14: California, Florida), Venezuela (1)

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

• Miocene of Australia (2), Austria (13), Brazil (1), Colombia (1), the Dominican Republic (13), France (5), Georgia (1), Germany (44), Greece (3), India (2), Iran (1), Italy (3), Japan (5), Kazakhstan (1), the Marshall Islands (4), the Netherlands (1), Panama (25), Poland (7), the Russian Federation (3), Slovakia (5), Trinidad and Tobago (2), Ukraine (1), United States (38: California, Florida)

• Oligocene to Miocene of United States (2: Florida)

• Oligocene of Belgium (2), Canada (1: British Columbia), France (35), Germany (1), Romania (1), United States (6: Florida, Georgia, Mississippi, Washington)

• Eocene of Antarctica (1), Belgium (1), France (11), Haiti (1), India (2), Indonesia (1), Italy (1), Mexico (1), Spain (28), the United Kingdom (3), United States (63: Alabama, California, Louisiana, Mississippi, Oregon, Texas, Washington)

• Paleocene of Antarctica (1), Belgium (1), Denmark (2), Germany (1), Nigeria (1), Poland (2), Togo (1), United States (24: Alabama, Texas)

• Cretaceous of Egypt (1), Poland (1), United States (2: Mississippi, Texas)

• Jurassic of France (1)

Total: 509 collections including 600 occurrences