Late Pliocene to Middle Pleistocene; Recent.
Southern Florida to Virginia.
For information on the modern distribution of the species, see Malacolog and WoRMS.
- Middle Pleistocene
- Bermont Formation (S. FL)
- Early Pleistocene
- Caloosahatchee Formation (S. FL)
- Late Pliocene
- Duplin Formation (SC, NC)
- Raysor Formation (SC)
- Tamiami Formation (Pinecrest Beds) (S. FL)
- Yorktown Formation (VA)