For information on the modern distribution of the species, see Malacolog.
Synonymous with Timoclea grus and Tapes grus Holmes, 1858 (original combination).
Stratigraphic Occurrences
Late Pleistocene
Anastasia Formation (N. FL)
Fort Thompson Formation (S. FL)
Middle Pleistocene
Bermont Formation (S. FL)
Canepatch Formation (SC)
Early Pleistocene
Bear Bluff Formation (SC)
Caloosahatchee Formation (S. FL)
Nashua Formation (N. FL)
Waccamaw Formation (SC, NC)
Late Pliocene
Duplin Formation (NC)
Jackson Bluff Formation (N. FL)
Raysor Formation (SC)
Tamiami Formation (Pinecrest Beds) (S. FL)
Chioneryx grus from the Early Pleistocene Waccamaw Fm. of Columbus County, North Carolina (UF 211916).Chioneryx grus from the Early Pleistocene James City Fm. of Beaufort County, North Carolina (PRI 70517).
Late Pleistocene MapMiddle Pleistocene MapEarly Pleistocene MapLate Pliocene Map