Where: Beaufort County, North Carolina (35.4° N, 76.8° W: paleocoordinates 35.5° N, 76.2° W)
• coordinate based on political unit
When: basal Member (Yorktown Formation), Piacenzian (3.6 - 2.6 Ma)
• Dowsett et al. 2021: Yorktown Formation was deposited during the mid-Piacenzian Warm Period (3.264 to 3.025 Ma). Maximum age ranges of the Rushmere Member are 3.3.–3.2 Ma, and for the Morgarts Beach Member are 3.2–3.15 Ma.
• member-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: R. H. Tedford and M. E. Hunter. 1984. Miocene marine-nonmarine correlations, Atlantic and Gulf Coastal Plains, North America. Palaeography, Palaeoclimatology, Palaeoecology 47:129-151 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 18550: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Thecachampsa antiqua" = Thecachampsa antiquus3
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Mammalia | |
Gomphotheriidae indet. Hay 1922 gomphothere | |
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Pseudhipparion simpsoni2 Webb and Hulbert 1986 hipparionine horse presumably replaces "Nannippus cf. ingenuus"
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Antilocapridae indet. Gray 1866 pronghorn | |
Kyptoceras amatorum2 Webb 1981 protoceratid presumably replaces "Synthetoceras sp." as Tedford and Hunter indicate that it may belong to Kyptoceras
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cf. Hemiauchenia sp. Gervais and Ameghino 1880 camel |