Pumpkin Buttes (Eocene of the United States)

Where: Campbell County, Wyoming (43.9° N, 105.7° W: paleocoordinates 45.4° N, 96.9° W)

• coordinate based on political unit

When: White River Group, Chadronian (37.2 - 33.9 Ma)

• said to be Chadronian

Environment/lithology: terrestrial

Primary reference: J. D. Love. 1954. Uranium in the Mayoworth area, Johnson County, Wyoming--a preliminary report. United States Geological Survey Circular 358(2):1-7 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17011: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOT the same as the Dome Butte locality (Wasatchian) from the same area
Show authors, comments, and common names
Mammalia
 Perissodactyla - Equidae
Mesohippus cf. westoni
Mesohippus cf. westoni Cope 1889 anchitheriine horse
 Perissodactyla - Brontotheriidae
Brontotheriidae indet.2
Brontotheriidae indet.2 Marsh 1873 brontothere
 Perissodactyla - Rhinocerotidae
Trigonias osborni, cf. Subhyracodon sp.
Trigonias osborni Lucas 1900 rhinoceros
cf. Subhyracodon sp. Wood 1927 rhinoceros
said to to "probably" be this species
 Perissodactyla - Hyracodontidae
Hyracodon sp., ? Hyracodon priscidens
Hyracodon sp. Leidy 1856 odd-toed ungulate
? Hyracodon priscidens Lambe 1905 odd-toed ungulate
 Artiodactyla - Entelodontidae
Archaeotherium sp.
Archaeotherium sp. Leidy 1850 even-toed ungulate
 Artiodactyla - Leptomerycidae
Leptomerycidae indet.1
Leptomerycidae indet.1 Zittel 1893 ruminant
1Alroy 2002; 2Love 1952