Jefferson County, Florida paleontological sites

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. 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. Coordinates: 30.1°N, -83.9°W 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. Coordinates: 30.4°N, -83.9°W 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