• Quaternary of United States (2: Florida collections)

• Pliocene of Angola (1), Colombia (1), Italy (1), Libya (1), South Africa (1), United States (1: North Carolina)

• MN 13 of Portugal (1)

• Hemphillian of United States (1: Florida)

• Miocene of Australia (3), Austria (2), Colombia (1), Costa Rica (1), the Czech Republic (1), Egypt (2), France (3), Germany (1), India (5), Japan (2), Malta (1), Pakistan (1), Panama (4), Peru (6), Portugal (7), Spain (1), United States (9: Florida, Maryland, New Jersey, North Carolina, South Carolina), Venezuela (4)

• Oligocene of Oman (1), Pakistan (2), Peru (1), United States (4: North Carolina, South Carolina)

• Eocene of Antarctica (2), Australia (1), Egypt (33), Italy (1), Jordan (1), Libya (3), Morocco (1), Namibia (1), Nigeria (4), Peru (1), Romania (1), Senegal (2), Togo (1), Tunisia (1), Ukraine (2), the United Kingdom (11), United States (29: Alabama, Arkansas, Georgia, Louisiana, Mississippi, New Jersey, North Carolina, South Carolina, Texas, Virginia), Uzbekistan (1), Western Sahara (3)

• Clarkforkian of United States (1: South Carolina)

• Paleogene of Libya (1)

• Paleocene of Algeria (1), United States (1: Mississippi)

• Tertiary of United States (2: New Jersey)

• Cretaceous of Algeria (3), Egypt (4), Jordan (2), Mexico (1), Morocco (1), Niger (2), United States (3: New Jersey, North Carolina, South Dakota)

• Jurassic of Germany (1), Uruguay (1)

Total: 195 collections including 300 occurrences