Lee Creek Mine (Neogene of the United States)

Where: Beaufort County, North Carolina (35.4° N, 76.8° W: paleocoordinates 35.5° N, 75.0° W)

• coordinate based on political unit

When: basal Member (Yorktown Formation), Hemphillian (10.3 - 4.9 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

• formation dated at 4.5 +/- 0.2 Ma (KA on glauconite) in Virginia; however, the sequences of formations in the two regions are completely different and it seems doubtful the date is directly relevant
Reptilia
 Crocodylia -
"Thecachampsa antiqua" = Thecachampsa antiquus3
"Thecachampsa antiqua" = Thecachampsa antiquus3 Leidy 1852 crocodilian
USNM specimens
Mammalia
 Perissodactyla - Equidae
Pseudhipparion simpsoni2 Webb and Hulbert 1986 hipparionine horse
presumably replaces "Nannippus cf. ingenuus"
 Carnivora - Canidae
Borophagus sp.1 Cope 1892 bone-crushing dog
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922 gomphothere
 Ungulata - Camelidae
cf. Hemiauchenia sp. Gervais and Ameghino 1880 camel
 Ungulata - Protoceratidae
Kyptoceras amatorum2 Webb 1981 protoceratid
presumably replaces "Synthetoceras sp." as Tedford and Hunter indicate that it may belong to Kyptoceras
 Ungulata -
 Ungulata - Antilocapridae
Antilocapridae indet. Gray 1866 pronghorn