Where: Hamilton County County, Florida (29.9° N, 82.9° W: paleocoordinates 30.2° N, 79.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Marks Head Formation (Hawthorne Group), Hemingfordian (20.4 - 16.0 Ma)
• "This site is approximately 16–17 million years old based largely on the presence of the horse Merychippus gunteri Simpson 1930 (Richard C. Hulbert, Jr., personal communication)."
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected by J. Waldrop in 1973; reposited in the FLMNH
Primary reference: J. R. Bourque. 2013. Fossil Kinosternidae from the Oligocene and Miocene of Florida, USA. In D. B. Brinkman, P. A. Holroyd, and J. Gardner (eds.), Morphology and Evolution of Turtles, Vertebrate Paleobiology and Paleoanthropology 459-475 [P. Holroyd/P. Holroyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 176936: authorized by Patricia Holroyd, entered by Patricia Holroyd on 08.03.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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cf. Gavialosuchus sp. Toula and Kail 1885 crocodilian | |
Pleurodira indet. sideneck turtle | |
Podocnemididae indet. Cope 1868 sideneck turtle | |
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Mammalia | |
Merychippus gunteri Simpson 1930 horse |