• Quaternary of Australia (7 collections), the Congo-Kinshasa (1), Costa Rica (2), Cuba (1), Egypt (1), Fiji (1), India (6), Italy (1), Japan (2), Kenya (1), Pakistan (1), United States (12: Florida, Louisiana, North Carolina), Vanuatu (1), Vietnam (1), Yemen (1)

• Pliocene to Pleistocene of Ecuador (1), Italy (1), Malaysia (1)

• Pliocene of Colombia (1), Costa Rica (1), the Dominican Republic (3), Ecuador (3), Fiji (1), India (2), Italy (2), Jamaica (4), Mexico (3), the Netherlands (1), Pakistan (3), Panama (1), Portugal (1), Spain (2), United States (14: California, Florida, South Carolina), Venezuela (5)

• Miocene to Pliocene of Aruba (1), Colombia (1), the Dominican Republic (1), India (3), Japan (4), Mexico (1), Nepal (1), Trinidad and Tobago (3), Uganda (1)

• Miocene to Oligocene of Peru (1)

• Miocene of Algeria (5), Argentina (13), Austria (3), Belgium (11), Brazil (5), Chile (6), China (5), Colombia (12), Costa Rica (1), Denmark (1), the Dominican Republic (18), France (6), Germany (28), Grenada (14), Haiti (1), India (13), Indonesia (2), Italy (12), Japan (15), Mexico (1), Morocco (1), Nepal (2), the Netherlands (2), New Zealand (3), Panama (30), Peru (5), Poland (1), Portugal (1), Romania (1), Slovakia (1), South Africa (1), Trinidad and Tobago (2), Turkey (2), United States (39: California, Delaware, Florida, Idaho, Oregon, South Carolina, Washington), Venezuela (10)

• Neogene of Vietnam (2)

• Oligocene to Miocene of Argentina (1)

• Oligocene of Austria (1), Bulgaria (1), China (1), Denmark (1), Germany (7), Hungary (2), India (1), Iran (1), Israel (1), Mexico (7), New Zealand (1), Pakistan (1), Panama (4), Peru (2), United States (32: Alabama, California, Florida, Mississippi, North Carolina, Oregon, Washington), Venezuela (1), Vietnam (1)

• Eocene to Oligocene of North Korea (1), Peru (1)

• Eocene to Miocene of Argentina (2)

• Eocene of Angola (3), Antarctica (4), Australia (1), Bulgaria (1), China (2), Colombia (2), Egypt (1), France (4), Germany (1), India (2), Italy (1), Japan (2), New Zealand (1), Panama (1), Peru (6), Romania (2), the Russian Federation (1), the United Kingdom (11), United States (54: California, Colorado, Georgia, Louisiana, Mississippi, New Mexico, North Carolina, Oregon, South Carolina, Texas, Virginia, Washington, Wyoming), Venezuela (1)

• Clarkforkian of United States (4: Wyoming)

• Tertiary of Haiti (1), Japan (2), Venezuela (1)

• Paleocene of Bulgaria (1), China (1), Greenland (3), Poland (1), United States (75: California, Colorado, Montana, New Mexico, North Dakota, South Dakota, Texas, Wyoming)

• Cretaceous of Canada (15: Alberta, British Columbia), Colombia (1), United States (45: California, Colorado, Georgia, Montana, New Mexico, North Dakota, South Carolina, Utah, Wyoming)

Total: 702 collections including 800 occurrences