Warbonnet Creek (Chadron) (Eocene of the United States)
Also known as Brewster and Emmons Ranch; Warbonnet Ranch
Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.8° N, 95.1° W)
• coordinate based on political unit
When: Chadronian (37.2 - 33.9 Ma)
Environment/lithology: terrestrial
Primary reference: J. Clark and T. E. Guensburg. 1972. Arctoid genetic characters as related to the genus Parictis. Fieldiana 26(1):1-71 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17040: authorized by John Alroy, entered by John Alroy on 18.10.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
• apparently in T33N R56W, i.e., about 18 mi W of the Chadron localities of Ostrander 1985
following records could be from the Chadron, Brule, or Gering: "Merycoidodon" affinis Thorpe 1937 Merycoidodon "culbertsonii" Thorpe 1937: "middle Oligocene" "Phenacocoelus munroensis" Thorpe 1937 "Promerycochoerus" carrikeri Thorpe 1937
following records could be from the Chadron, Brule, or Gering: "Merycoidodon" affinis Thorpe 1937 Merycoidodon "culbertsonii" Thorpe 1937: "middle Oligocene" "Phenacocoelus munroensis" Thorpe 1937 "Promerycochoerus" carrikeri Thorpe 1937
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Brontops dispar n. sp.3
Brontops dispar n. sp.3 Marsh 1887 brontothere from Hat Creek, Sioux Co., said by Osborn 1902 to be from the middle beds of the Chadron Formation; two specimens described by Hatcher 1901b, 1901c from "near the base of the Titanotherium beds on Warbonnet Creek, some three miles north of the Brewster and Emmons Ranch" (latter assigned to "Titanotherium dispar"
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Trigonias osborni2 Lucas 1900 rhinoceros "near the base of the Titanotherium beds... three miles north of the old Brewster and Emmons Ranch, on Warbonnet creek, Sioux County"; repeated by Wood 1927 as "three miles north of Warbonnet Ranch"
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