• Quaternary of Armenia (1 collection), Australia (1), Azerbaijan (1), Belgium (1), Brazil (1), Cayman Islands (2), the Dominican Republic (3), Georgia (1), Italy (13), Northern Mariana Islands (6), the Philippines (2), Portugal (1), South Africa (2), Spain (2), United States (18: California, Georgia, Maryland, New Mexico, Pennsylvania, Tennessee, Texas, West Virginia), Venezuela (1)

• Blancan of United States (1: Oregon)

• Pliocene to Pleistocene of Italy (1)

• Pliocene of Argentina (1), Azerbaijan (1), Italy (2), Poland (1), Spain (5), Turkey (1), Venezuela (1)

• Hemphillian of Mexico (2)

• Miocene of Australia (1), Austria (2), Brazil (2), Germany (5), Greece (6), India (1), Italy (2), Kenya (1), Namibia (3), Nepal (1), Peru (2), Slovakia (1), Spain (5), Switzerland (1), United States (3: Louisiana, Nebraska, Texas)

• Oligocene of Belgium (1), Canada (1: Saskatchewan), the Czech Republic (1), France (1), Kenya (1), Oman (1), Peru (2)

• Eocene of Egypt (1), India (1), Mali (1), Namibia (1), Portugal (1), Turkey (1), the United Kingdom (3), United States (3: Nevada, Utah, Wyoming)

• Paleocene to Oligocene of Chile (1)

• Paleocene to Eocene of India (1)

• Paleocene of United States (1: New Jersey)

• Cretaceous of Algeria (1), Argentina (3), Brazil (1), Canada (1: Saskatchewan), France (3), India (4), Madagascar (4), Morocco (1), Niger (1), Spain (1), Sudan (2), United States (5: New Mexico, Texas, Utah, Wyoming)

• Jurassic of United States (3: Colorado, Utah)

Total: 161 collections including 162 occurrences