Also known as Palmetto Washer Plant
Where: Polk County, Florida (27.7° N, 82.0° W: paleocoordinates 27.9° N, 80.3° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Bone Valley Member (Peace River Formation), Late/Upper Hemphillian (10.3 - 4.9 Ma)
• Berta and Galliano 1983 collected from coarse phosphatic gravels presumably of Upper Bone Valley Formation, not in situ.
Environment/lithology: marginal marine; pebbly, phosphatic, argillaceous, sandy sandstone
Size class: macrofossils
Primary reference: D. B. Wright and S. D. Webb. 1984. Primitive Mylohyus (Artiodactyla: Tayassuidae) from the Late Hemphillian Bone Valley of Florida. Journal of Vertebrate Paleontology 3(3):152-159 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 18573: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Nick Pyenson, Mark Uhen, Richard Hulbert, Evangelos Vlachos and Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Aves | |
Ardea polkensis n. sp.1
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Reptilia | |
"Chrysemys inflata n. sp." = Trachemys inflata16
"Chrysemys inflata n. sp." = Trachemys inflata16 Weaver and Robertson 1967 slider UF 12469 (holotype), a nuchal (Weaver and Robertson 1967, fig. 3)
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"Chelonia sp." = Testudines4
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Mammalia | |
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Enhydritherium terraenovae n. sp.3
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Borophagus pugnator15 Cook 1922 bone-crushing dog Palmetto Mine; Palmetto Washer; "Osteoborus crassapineatus"; "O. dudleyi" of Webb 1969b
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Hexameryx simpsoni18 White 1941 pronghorn "West Palmetto Washer"; "Palmetto Washer"; "Palmetto Mine"
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"Catagonus brachydontus" = Protherohyus brachydontus21 Dalquest and Mooser 1980 peccary "Palmetto Mine"; "North Palmetto Mine"
Mylohyus elmorei White 1942 peccary | |
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Dinohippus mexicanus11, Calippus sp., Pseudhipparion simpsoni20, Neohipparion eurystyle7, Nannippus aztecus13, "Hippotherium emsliei" = Cormohipparion emsliei8
Calippus sp. Matthew and Stirton 1930 horse | |
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