The Leon County paleontological sites are assemblages of Early Miocene invertebrates and vertebrates of Leon County, Florida, United States.
Faunal stage: Arikareean, ~23.1–21.9 Ma, calculates to a period of approximately 1.2 million years.
Seaboard Air Line Railroad = SALR.
St. Marks River site = SMRS.
Tallahassee Waterworks Site = TWWS.