• Quaternary of Angola (1 collection), Argentina (14), Australia (1), Brazil (10), Chile (15), Costa Rica (2), Cuba (1), Ecuador (5), Iceland (1), Ireland (1), Italy (14), Japan (5), Mexico (18), Morocco (4), Namibia (1), New Zealand (2), Panama (2), Peru (11), South Africa (10), Taiwan (1), Thailand (1), the United Kingdom (11), United States (231: California, Delaware, Florida, Georgia, Hawaii, Louisiana, Maryland, Massachusetts, New Jersey, New York, North Carolina, Oregon, South Carolina, Virginia), Uruguay (3), Vanuatu (1), Venezuela (1)

• Blancan of United States (2: California)

• Pliocene to Pleistocene of Chile (2), Ecuador (1), United States (17: California, Florida)

• Pliocene of Australia (1), Belgium (2), Chile (5), Colombia (4), Costa Rica (4), the Dominican Republic (4), Ecuador (9), Greece (3), Iceland (2), India (1), Indonesia (10), Italy (10), Jamaica (2), Japan (1), Mexico (4), New Zealand (6), Panama (9), Peru (4), South Africa (6), Spain (1), Trinidad and Tobago (12), the United Kingdom (1), United States (89: California, Florida, North Carolina, Oregon, South Carolina, Virginia), Venezuela (18)

• Miocene to Pliocene of Chile (1), the Dominican Republic (2), United States (11: California)

• Miocene of Argentina (18), Australia (12), Austria (12), Belgium (4), Brazil (2), Chile (7), Colombia (42), Costa Rica (1), the Dominican Republic (22), Ecuador (1), France (6), Germany (27), Greece (2), Grenada (7), Haiti (1), India (6), Italy (2), Japan (23), Mexico (8), Moldova (5), the Netherlands (2), New Zealand (13), Pakistan (1), Panama (89), Peru (2), Poland (1), Puerto Rico (1), the Russian Federation (1), Trinidad and Tobago (14), United States (153: Alaska, California, Delaware, Florida, Georgia, Maryland, New Jersey, North Carolina, Oregon, South Carolina, Virginia, Washington), Venezuela (3)

• Neogene of Chile (1)

• Oligocene to Miocene of Argentina (1), United States (9: California, Florida)

• Oligocene of Argentina (4), Austria (2), Canada (3: British Columbia), Colombia (1), Costa Rica (1), Ecuador (1), France (36), Germany (1), Hungary (2), Japan (1), New Zealand (14), Panama (5), Peru (1), the Russian Federation (2), Trinidad and Tobago (1), United States (77: Alabama, Alaska, California, Florida, Georgia, Mississippi, North Carolina, Oregon, Washington)

• Eocene to Oligocene of United States (1: Oregon)

• Eocene to Miocene of Argentina (1), United States (1: Texas)

• Eocene of Antarctica (9), Argentina (1), Australia (2), Belgium (3), Brazil (1), Bulgaria (1), Colombia (5), Egypt (1), France (20), Haiti (1), Italy (1), Japan (15), Mexico (1), New Zealand (5), Nigeria (12), Panama (6), Peru (2), Romania (4), the Russian Federation (4), Turkey (1), the United Kingdom (32), United States (313: Alabama, California, Florida, Louisiana, Mississippi, North Carolina, Oregon, South Carolina, Texas, Virginia, Washington)

• Paleocene to Eocene of the Russian Federation (1), United States (1: California)

• Paleocene of Argentina (1), Belgium (3), Bulgaria (1), Denmark (3), France (1), Germany (1), Greenland (3), Mexico (1), New Zealand (1), Niger (1), Nigeria (1), Poland (4), Trinidad and Tobago (1), the United Kingdom (2), United States (39: Alabama, California, Illinois, Maryland, New Jersey, South Carolina, Texas, Virginia)

• Cretaceous of Chile (1), France (5), Germany (1), South Africa (1), Switzerland (1), the United Kingdom (1), United States (76: Alabama, Arizona, California, Colorado, Georgia, Mississippi, New Jersey, North Carolina, South Carolina, Tennessee, Texas)

• Devonian of Canada (1: Alberta)

Total: 1857 collections including 2920 occurrences