Oreodon Layer (1892 AMNH Collection) (Oligocene of the United States)
Where: Pennington and Scenic County, South Dakota (43.9° N, 102.5° W: paleocoordinates 45.0° N, 94.3° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: lower Scenic Member (Brule Formation), Orellan (33.9 - 33.3 Ma)
Environment/lithology: terrestrial
Reposited in the AMNH
Primary reference: H. F. Osborn and J. L. Wortman. 1894. Fossil mammals of the Lower Miocene White River beds. Collection of 1892. Bulletin of the American Museum of Natural History 6(7):199-228 [J. Alroy/J. Alroy/M. Carrano]more details
PaleoDB collection 17153: authorized by John Alroy, entered by John Alroy on 18.10.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
• based on Osborn 1937, this is mostly from Indian Creek, Corral Draw, and Quinn Draw
Show authors, comments, and common names
Mammalia | |
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Hoplophoneus occidentalis Leidy 1866 false sabre-tooth
Hoplophoneus primaevus Leidy and Owen 1851 false sabre-tooth | |
Daphoenus sp. Leidy 1853 bear-dog | |
Mesohippus bairdi Leidy 1850 anchitheriine horse | |
"Aceratherium occidentale" = Subhyracodon occidentalis, "Aceratherium mite" = Subhyracodon mitis
"Aceratherium occidentale" = Subhyracodon occidentalis Leidy 1850 rhinoceros
"Aceratherium mite" = Subhyracodon mitis Cope 1875 rhinoceros | |
Hyracodon sp. Leidy 1856 odd-toed ungulate | |
"Colodon luxatus" = Colodon occidentalis Leidy 1868 tapir occidentalis is listed instead by Osborn and Wortman 1895 without comment, presumably indicating agreement with Wortman and Earle 1893
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Poebrotherium wilsoni Leidy 1847 camel | |
"Oreodon culbertsoni" = Merycoidodon culbertsonii Leidy 1848 oreodont confirmed by Schultz and Falkenbach 1968, who assign some material to "M. cuilbertsoni osborni"
Miniochoerus affinis2 Leidy 1869 oreodont figured specimen of "Oreodon gracile"; no evidence that M. gracilis is present in this collection
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"Anthracotherium occidentale" = Heptacodon occidentale, "Hyopotamus americanus" = Aepinacodon americanus
"Anthracotherium occidentale" = Heptacodon occidentale Osborn and Wortman 1894 anthracothere
"Hyopotamus americanus" = Aepinacodon americanus Leidy 1856 anthracothere | |
"Elotherium mortoni" = Archaeotherium mortoni
"Elotherium mortoni" = Archaeotherium mortoni Leidy 1850 even-toed ungulate may include "Elotherium imperator"
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Hypertragulus calcaratus1 Cope 1873 ruminant 1892 collection from "Lower Oreodon Beds, Cheyenne River"
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Ischyromys sp. Leidy 1856 rodent | |
Palaeolagus haydeni Leidy 1856 rabbit |