The Leon County paleontological sites are assemblages of Early Miocene invertebrates and vertebrates of Leon County, Florida, United States.
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.
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).
Coordinates: 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. Time period: ~21.7 Ma. (AEO, Alroy).
Coordinates: 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).
Coordinates: 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: 30.4°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.
Anomia suwaneensis (bivalve) TWWS 3424
Chlamys (scallop) TWWS 2302
Ostrea normalis (oyster) SALR
Lucina janus (bivalve) TWWS 2302
Mercenaria langdoni TWWS 395
Metis chipolana (bivalve) TWWS 2302
Turritella alcida (seal snail) TWWS 2302
Carcharhinidae (requiem shark) SALR
Myliobatidae (eagle ray) SALR
Pristis (sawfish) SALR
Sciaenidae (croaker) SALR
Alligatoridae (alligator) SALR
Boidae (boa or constricting snake) SALR
Crocodylidae (crocodile) SALR
Emydidae (pond turtle) SALR
Testudinidae (land tortoise) SALR
Gruidae (crane) SALR
Ciconiidae (stork) SALR
Anchitherium clarencei (horse) SALR
Aphelops (rhinoceros) SALR
Archaeohippus blackbergi (horse) SALR
Camelidae (family of camel) GPS
Floridatragulus (camel) SALR
Menoceras (rhinoceros) SALR
Moropus SMRS
Osbornodon iamonensis (proto-dog) GPS
Oxydactylus (camel)
Parahippus (horse) SALR
Parahippus leonensis (horse) GPS, SALR
Prosynthetoceras texanus (deer-like ungulate) SALR
Nothokemas floridanus (camel) SALR
Proheteromys floridanus (rodent) SALR
Ruminantia (unknown ruminant) GPS
