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Leon County, Florida paleontological sites

December 25, 2023

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

Leon County, Florida displaying Miocene shoreline according to the Florida Geologic Survey.
Florida during the Miocene

Age edit

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 edit

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″N 84°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′N 84°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′N 84°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′N 84°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 edit

Invertebrates edit

  • 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

Fish edit

Reptiles edit

Birds edit

Mammals edit

References edit

  1. ^ Alroy, John, AEO estimate.
  2. ^ Collected by: S. J. Olsen, R. Cantwell, C. Cox. S. J. Olsen. 1964. The stratigraphic importance of a Lower Miocene vertebrate fauna from north Florida. Journal of Paleontology 38(3):477–482.
  3. ^ M. C. Coombs, R. M. Hunt, Jr., E. Stepleton, L. B. Albright, III, and T. J. Fremd. 2001. Stratigraphy, chronology, biogeography, and taxonomy of early Miocene small chalicotheres of North America. Journal of Vertebrate Paleontology 21(3):607–620
  • 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.

December 25, 2023
leon, county, florida, paleontological, sites, leon, county, paleontological, sites, assemblages, early, miocene, invertebrates, vertebrates, leon, county, florida, united, states, leon, county, florida, displaying, miocene, shoreline, according, florida, geol. The Leon County paleontological sites are assemblages of Early Miocene invertebrates and vertebrates of Leon County Florida United States Leon County Florida displaying Miocene shoreline according to the Florida Geologic Survey Florida during the Miocene Contents 1 Age 2 Sites 3 Specimens 3 1 Invertebrates 3 2 Fish 3 3 Reptiles 3 4 Birds 3 5 Mammals 4 ReferencesAge editEra 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 editLeon 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 N 84 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 N 84 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 N 84 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 N 84 18 W 30 4 N 84 3 W 30 4 84 3 USGS 2302 USGS 3423 aka J C Henderson s well USGS 395Griscom Plantation Site GPS Seaboard Air Line Railroad SALR St Marks River site SMRS Tallahassee Waterworks Site TWWS Specimens editInvertebrates edit 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 2302Fish edit Carcharhinidae requiem shark SALR Myliobatidae eagle ray SALR Pristis sawfish SALR Sciaenidae croaker SALRReptiles edit Alligatoridae alligator SALR Boidae boa or constricting snake SALR Crocodylidae crocodile SALR Emydidae pond turtle SALR Testudinidae land tortoise SALRBirds edit Gruidae crane SALR Ciconiidae stork SALRMammals edit 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 GPSReferences edit Alroy John AEO estimate Collected by S J Olsen R Cantwell C Cox S J Olsen 1964 The stratigraphic importance of a Lower Miocene vertebrate fauna from north Florida Journal of Paleontology 38 3 477 482 M C Coombs R M Hunt Jr E Stepleton L B Albright III and T J Fremd 2001 Stratigraphy chronology biogeography and taxonomy of early Miocene small chalicotheres of North America Journal of Vertebrate Paleontology 21 3 607 620 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 Retrieved from https en wikipedia org w index php title Leon County Florida paleontological sites amp oldid 901177127, wikipedia, wiki, book, books, library,

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