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Gemma magna

Geological Range

Late Pliocene to Middle Pleistocene; Extinct.

Paleogeographic Distribution

South Florida to Virginia.

Stratigraphic Occurrences

Middle Pleistocene
Canepatch Formation (SC)
Early Pleistocene
Caloosahatchee Formation (S. FL)
Chowan River Formation (NC, VA)
Nashua Formation (N. FL)
Waccamaw Formation (SC, NC)
Late Pliocene
Duplin Formation (NC)
Jackson Bluff Formation (N. FL)
Raysor Formation (NC)
Tamiami Formation (Pinecrest Beds) (S. FL)
Yorktown Formation (VA)
<i>Gemma magna</i> from the Early Pleistocene Waccamaw Fm. of Brunswick County, North Carolina (PRI 70468).
Gemma magna from the Early Pleistocene Waccamaw Fm. of Brunswick County, North Carolina (PRI 70468).