• Pliocene to Pleistocene of United States (1: Florida collection)

• Pliocene of Colombia (4), Costa Rica (2), Mexico (1), Panama (1), United States (7: Florida, South Carolina), Venezuela (4)

• Miocene of Colombia (19), Ecuador (2), Panama (6), Trinidad and Tobago (2), United States (9: Florida), Venezuela (8)

Total: 66 collections each including a single occurrence