The Leon County paleontological sites are assemblages of Early Miocene invertebrates and vertebrates of Leon County, Florida, United States.

Contents

• Age
• Sites
• Specimens
• Invertebrates
• Fish
• Reptiles
• Birds
• Mammals
• References

Age

Era : Neogene.
Period : Early Miocene.
Faunal stage : Arikareean, ~23.1–21.9 Ma, calculates to a period of approximately 1.2 million years.
Geological Formation : Torreya Formation.

Sites

Leon County paleontological sites are represented by the following:

• Griscom Plantation Site. Located in Killearn Lakes Plantation, south-southeast of Lake Iamonia on the southeast most section of Luna Plantation during a well drilling operation. Time period: ~23.6–18.8 Ma. (AEO). ^[1]

Coordinates: 30°33′56″N84°12′58″W / 30.5655°N 84.2162°W / 30.5655; -84.2162

• Seaboard Air Line Railroad Site. Location was south of the center of Tallahassee during a dredging operation for a roadway. ^[2] Time period: ~21.7 Ma. (AEO, Alroy).

Coordinates: 30°18′N84°12′W / 30.3°N 84.2°W / 30.3; -84.2

• St. Marks River site. Located along the St. Marks River in southern Leon County. Time period: ~23.1–21.9 Ma. (AEO, Alroy). ^[3]

Coordinates: 30°18′N84°12′W / 30.3°N 84.2°W / 30.3; -84.2

• Tallahassee Waterworks Sites. Locations were just south of the center of Tallahassee. Time period: ~23.03–15.99 Ma.

Coordinates: 30°24′N84°18′W / 30.4°N 84.3°W / 30.4; -84.3

• • USGS 2302
  • USGS 3423 aka J.C. Henderson's well
  • USGS 395

Griscom Plantation Site = GPS. Seaboard Air Line Railroad = SALR. St. Marks River site = SMRS. Tallahassee Waterworks Site = TWWS.

Specimens

References

• E. H. Sellards. 1916. Fossil vertebrates from Florida: A new Miocene fauna; new Pliocene species; the Pleistocene fauna. Florida State Geological Survey Annual Report 8:79–119.
• S. J. Olsen. 1964. The stratigraphic importance of a Lower Miocene vertebrate fauna from north Florida. Journal of Paleontology 38(3):477–482. Collected by S. J. Olsen, R. Cantwell, C. Cox.
• J. R. Gardner. 1947. The Molluscan Fauna of the Alum Bluff Group of Florida. United States Geological Survey Professional Paper (142A-H)1–709.