Late Pliocene to Late Pleistocene; Recent.
Southern Florida to northern Florida.
For information on the modern distribution of the species, see WoRMS.
- Late Pleistocene
- Fort Thompson Formation (S. FL)
- Middle Pleistocene
- Bermont Formation (S. FL)
- Early Pleistocene
- Caloosahatchee Formation (S. FL)
- Late Pliocene
- Jackson Bluff Formation (N. FL)
- Tamiami Formation (Pinecrest Beds) (S. FL)