Orange County, Florida paleontological sites

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The Orange County paleontological sites are assemblages of Late Pleistocene vertebrates occurring in Orange County, Florida.

Orange County during the Miocene with most of the county as dry land.
Florida during the Late Pleistocene 2 million to 10,000 years ago.


Era: Neogene
Period: Pleistocene
Faunal stage: Rancholabrean 126,000—11,000 years ago, calculates to a period of approximately 0.115 million years.


  • Rock Spring site (Pleistocene). Time period: ~126,000—11,000 thousand years ago. Specimens were collected by H. J. Gut, J. Mann, J. Todd, G. Lintner 1939.[1] The site was recorded as bone-bearing argillaceous sandstone overlaying Ocala Limestone containing macrofossils. "The bones are well mineralized and most are unworn... frequent occurrence in association of bones from what appear to be the same individual indicates that the material has not been reworked." (Glen E. Woolfenden 1959).[2][3][4]

Coordinates: 28°42′N 81°30′W / 28.7°N 81.5°W / 28.7; -81.5




Further reading[edit]

  • Kathryn A. Hoppe1, Paul L. Koch, Richard W. Carlson and S. David Webb, Tracking mammoths and mastodons: Reconstruction of migratory behavior using strontium isotope ratios.[1]


  1. ^ S. D. Webb. 1974. Chronology of Florida Pleistocene mammals. In S. D. Webb (ed.), Pleistocene Mammals of Florida 5-31
  2. ^ Paleobiology Database : Rock Springs Collection
  3. ^ A Pleistocene Avifauna from Rock Spring, Florida, Glen E. Woolfenden
  4. ^ Glen E. Woolfenden, Professor Emeritus at the University of South Florida