Where: Alachua County, Florida (29.7° N, 82.4° W: paleocoordinates 29.9° N, 80.7° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Peace River Formation (Hawthorn Group), Tortonian to Tortonian (11.6 - 3.6 Ma)
• See Bryant et al. 1992 for revised ages of Hawthorn Group formations.
•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)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: W. Auffenberg. 1957. Notes on fossil crocodilians from Southeastern United States. Quarterly Journal of The Florida Academy of Sciences 20:107-113 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144202: authorized by Philip Mannion, entered by Philip Mannion on 02.05.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Gavialosuchus americanus" = Thecachampsa sericodon
| |
Mammalia | |
| |
"Felsinotherium sp." = Metaxytherium
| |
Chondrichthyes | |
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