Bates Hole Lower White River 1 (Eocene of the United States)

Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 44.8° N, 98.4° W)

• coordinate based on political unit

When: lower Member (White River Formation), Chadronian (37.2 - 33.9 Ma)

Environment/lithology: terrestrial

Primary reference: E. N. Harshman. 1972. Geology and uranium deposits, Shirley Basin area, Wyoming. United States Geological Survey Professional Paper 745:1-82 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 16896: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• same unit dated by Zielinski and Naeser 1977 at 32.1 +/- 1.5 and 32.4 +/- 1.3 Ma using FT on zircon; first locality is only about 2-4 mi N of the fauna
Mammalia
 Carnivora - Amphicyonidae
Daphoenus lambei2 Russell 1934 bear-dog
"Shirley Basin" (township and range data also given) DUPLICATE REF 1975 or 1979
 Carnivora - Canidae
Hesperocyon cf. gregarius Cope 1873 canid
includes "H. cf. paterculus"
 Perissodactyla - Brontotheriidae
Brontotheriidae indet.1 Marsh 1873 brontothere
"Brontops sp." = Megacerops Leidy 1870 brontothere
 Artiodactyla - Leptomerycidae
Leptomeryx sp. Leidy 1853 ruminant
"between L. yoderi and L. evansi in size"