• Quaternary of Ecuador (2 collections), India (2), Ireland (1), Italy (1), Japan (6), Mexico (2), Morocco (1), Namibia (1), the Netherlands (3), Pakistan (1), Peru (1), Poland (1), Portugal (1), South Africa (5), Thailand (1), United States (56: California, North Carolina, South Carolina)

• Blancan of United States (1: California)

• Pliocene to Pleistocene of United States (2: California, Washington)

• Pliocene of Italy (4), Jamaica (1), Japan (1), Pakistan (3), Trinidad and Tobago (3), the United Kingdom (6), United States (25: California, Oregon, Virginia), Venezuela (5)

• Miocene to Pliocene of Chile (1), United States (5: California)

• Miocene of Argentina (5), Australia (1), Austria (2), Brazil (2), Chile (2), Colombia (5), the Dominican Republic (1), France (1), India (7), Italy (1), Japan (12), Mexico (2), Panama (10), the Russian Federation (4), South Africa (1), Trinidad and Tobago (2), United States (35: California, Florida, Oregon, Washington), Venezuela (1)

• Oligocene to Miocene of Argentina (1)

• Oligocene of Canada (5: British Columbia), Japan (7), Mexico (1), the Russian Federation (4), United States (41: Alaska, California, Florida, Oregon, Washington)

• Eocene of Argentina (2), Belgium (1), Bulgaria (1), Colombia (1), Egypt (1), France (3), Germany (1), Italy (2), Japan (7), Mexico (1), Peru (1), the Russian Federation (2), the United Kingdom (11), United States (139: Alabama, Alaska, California, Georgia, Louisiana, Maryland, Mississippi, North Carolina, Oregon, South Carolina, Texas, Washington)

• Paleocene of China (1), the Russian Federation (4), United States (24: California, Louisiana, Texas)

• Tertiary of United States (1: California)

• Cretaceous of Japan (7), Portugal (1), United States (3: California)

• Jurassic of France (1)

• Triassic of Italy (1)

Total: 511 collections including 562 occurrences