Upper Nodular Zone (Princeton) (Oligocene of the United States)
Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.4° N, 94.3° W)
• coordinate based on political unit
When: Scenic Member (Brule Formation), Orellan (33.9 - 33.3 Ma)
• member-level stratigraphic resolution
Environment/lithology: terrestrial
Primary reference: W. J. Sinclair. 1924. The Faunas of the Concretionary Zones of the Oreodon Beds, White River Oligocene. Proceedings of the American Philosophical Society 63(1):94-133 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17296: authorized by John Alroy, entered by John Alroy on 26.03.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
• most of this appears to be from Corral Draw, although some records are known to be from Cottonwood Creek, Indian Creek, and Quinn Draw (see)
Show authors, comments, and common names
| Mammalia | |
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Hyaenodon crucians Leidy 1853 creodont | |
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"Eporeodon bullatus" = Merycoidodon bullatus Leidy 1869 oreodont additional specimen of "M. dani" listed by Schultz and Falkenbach 1968 from "1/2 mile north of Cottonwood Pass (in Big Corral Draw)" Brule Zone B
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Archaeotherium mortoni Leidy 1850 even-toed ungulate | |
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Poebrotherium sp. Leidy 1847 camel | |
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"Mesohippus grallipes" = Miohippus gidleyi3 Osborn 1904 anchitheriine horse referred Princeton specimen from "upper Oreodon beds in Corral Draw" collected by J. B. Hatcher in 1894
"Mesohippus bairdii" = Mesohippus bairdi Leidy 1850 anchitheriine horse | |
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"Hyracodon nebrascensis" = Hyracodon nebraskensis
"Hyracodon nebrascensis" = Hyracodon nebraskensis Leidy 1850 odd-toed ungulate "Fifteen feet below upper zone of rusty nodules, Lower Oreodon beds, Corral Draw"; other material of Hyracodon is from Quinn Draw and Indian Creek (see)
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