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.

1 Age
2 Sites
3 Specimens
4 Reptiles
5 Birds
6 Mammals
7 References

Age

Era: Neogene
Period: Miocene to Pleistocene, ~23.03 Mya—11,000 years ago. (calculates to a period of approximately 22.92 million years).
Faunal stage: Clarendonian through early Rancholabrean

Sites

Ashville site (Miocene) Time period: ~13.5—12.7 Mya.^[1]
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.^[2]
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.^[3]
Coordinates:

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

Specimens

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 (Rhinocerous)
Tapirus (Tapir). ARS.
Odocoileus virginianus (Deer-like). WRS.
Palaeolama (Llama). WRS.

References

^ R. C. Hulbert. 1988. Bulletin of the Florida State Museum, Biological Sciences 33(3)
^ Paleobiology Database Aucilla River collection
^ 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

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.