Thomas Farm Site

The Thomas Farm site is an Early Miocene, Hemingfordian assemblage of vertebrate fossils located in Gilchrist County, northern Florida.[1]

Gilchrist County, Florida and Miocene shoreline based on the Florida Geologic Survey.
Florida during the Miocene

The Thomas Farm site is one of the richest terrestrial deposits of Miocene vertebrates in the 18 Ma range found in eastern North America according to the Florida Museum of Natural History. The site was discovered in 1931 by Florida Geological Survey (FGS) staff member Clarence Simpson.[2] Specimens include: amphibians, reptiles, birds, small rodents, bats, rhinoceroses, three species of three-toed horses, several artiodactyls (including camels, peccary, deer-like species and other extinct forms), as well as dogs, bears, and bear-dogs.[3][4]

Specimens

Reptilia

  • Pseudemys sp.
  • Testudo (T. tedwhitei)
  • Promilio (P. epileus)
  • Promilio (P. brodkorbi)
  • Proictinia (P. floridana)
  • Alligator (A. olseni)
  • Paraoxybelis (P. floridanus)
  • Pseudocemophora (P. antiqua)
  • Anilioides (A. minuatus)
  • Pseudoepicrates (P. stanolseni)
  • Ogmophis (O. pauperrimus
  • Calamagras (C. floridanus)

Phalacrocoracidae

Columbidae

Rhinocerotidae

Equidae

Amphicyonidae

Ursidae

Mustelidae

Canidae

Chiroptera

Artiodactyla

Soricidae

  • Limnoecus sp.

Rodentia

Amphibians

  • Proacris (P. mintoni)
  • Proacris mintoni

References

  1. "Thomas Farm". Florida Museum. 2017-03-28. Retrieved 2021-09-06.
  2. Florida Museum of Natural History: Thomas Farm site
  3. Lloyd, Robin. "An Inside Look at an 18 Million-year-old Fossil Dig Site in Florida". Scientific American Blog Network. Retrieved 2021-09-06.
  4. Martin, Robert A. (1969). Fossil mammals of the coleman ILA local fauna, Sumter County, Florida. [s.n.]

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