The Jefferson County, Florida paleontological sites are assemblages of Mid-Miocene to Late Pleistocene vertebrates from Jefferson County, Florida, United States.

Age Era: Neogene Period: Miocene to Pleistocene, ~23.03 Mya—11,000 years ago. (calculates to a period of approximately ). Faunal stage: Clarendonian through early Rancholabrean

Sites Ashville site (Miocene) Time period: ~13.5—12.7 Mya.R. C. Hulbert. 1988. Bulletin of the Florida State Museum, Biological Sciences 33(3) Aucilla River site (Pleistocene) Time period: ~126,000—11,000 years ago. The Aucilla site specimens were discovered by amateur paleontologist Dr. Richard Ohmes of Bremerton, Washington in 1969.Paleobiology Database Aucilla River collection Coordinates: Wacissa River site (Pleistocene) Time period: ~126,000—11,000 years ago. Collected by R. Alexon, B. Mathen, R. Gingery in October 1981; in shallow water. Specimens reposited in the Florida Museum of Natural History.Authority: S. D. Webb, J. T. Milanich, R. Alexon and J. S. Dunbar. 1984. A Bison antiquus kill site, Wacissa River, Jefferson County, Florida . American Antiquity 49(2):384-392 Coordinates:

Ashland site = ASH. Aucilla River site = ARS. Wacissa River site = WRS.

Reptiles Emydidae (turtle) WRS Geochelone (tortoise) ARS Alligator WRS

Birds Grus americana (whooping crane) ARS

Mammals Artiodactyla (deer-like) ASH, ARS Bison antiquus (bison) WRS Calippus proplacidus ASH Camelops (camel) ARS Equus (horse) ARS, WRS Hemiauchenia (camel) WRS Hippotherium (horse) ASH Megalonyx (ground sloth) ARS Mammut (American mastodon) ARS Menoceratinae (rhinoceros) Tapirus (tapir) ARS Odocoileus virginianus (deer-like) WRS Palaeolama (llama) WRS

References

Texas A&M Univdersity Webb, S.D. 2000. Two cycles of Late Pleistocene sinkhole filling in the middle Aucilla River, Jefferson County, Florida, pp. 142–153, in W. Schmidt, J. Lloyd, and C. Collier (eds), The Wakulla Springs- Woodville Karst Plain Symposium, Florida Geological Survey Special Publication No. 46.