Where: Polk County, Florida (27.9° N, 81.8° W: paleocoordinates 28.2° N, 78.8° W)
• coordinate based on political unit
When: Bone Valley Member (Peace River Formation), Barstovian (16.3 - 12.5 Ma)
• Peace River Formation in Florida was likely deposited between 11-4.3Ma. The lower sequence is Tortonian, deposited between 11-8.5Ma, and the upper sequence is Zanclean and deposited between 5.2-4.3Ma (Missimer, 1999)
• member-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: R. C. Hulbert, Jr. 1988. Cormohipparion and Hipparion (Mammalia, Perissodactyla, Equidae) from the Late Neogene of Florida. Bulletin of the Florida State Museum, Biological Sciences 33(5):229-338 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 18583: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
| Mammalia | |
Merychippus cf. californicus, Pliohippus cf. mirabilis, Calippus sp., Calippus proplacidus, Cormohipparion sphenodus
Merychippus cf. californicus Merriam 1915 horse
Pliohippus cf. mirabilis Leidy 1858 horse
Calippus sp. Matthew and Stirton 1930 horse
Calippus proplacidus Osborn 1918 horse
Cormohipparion sphenodus Cope 1889 hipparionine horse | |