Monroe Creek (Type) (Oligocene of the United States)
Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.3° N, 98.0° W)
• coordinate based on political unit
When: Monroe Creek Formation, Monroecreekian (26.3 - 24.8 Ma)
Environment/lithology: terrestrial
Primary reference: O. A. Peterson. 1907. The Miocene Beds of Western Nebraska and Eastern Wyoming and Their Vertebrate Faunae. Annals of Carnegie Museum 4(3):21-72 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17565: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
• "upper" beds only; Peterson's "lower" beds are probable Gering equivalents (see Lower Arikaree Group), although he also shows 200 feet of "Gering Beds" below his 300 feet of "Monroe Creek Beds"
see Hunt 1985a
see Hunt 1985a
Show authors, comments, and common names
Mammalia | |
Euhapsis platyceps n. sp.
Euhapsis platyceps n. sp. Peterson 1905 beaver from "Upper Monroe Creek beds, near the head of Warbonnet Creek, Sioux Co.": Peterson 1905
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Miotylopus gibbi3 Loomis 1911 camel "Head of Warbonnet Creek, Sioux County"; this may include Peterson's provisionally referred "Protomeryx cedrensis"
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Phenacocoelus typus n. sp., Promerycochoerus carrikeri n. sp.
Phenacocoelus typus n. sp. Peterson 1907 oreodont "head of Squaw Creek" (actually head of Warbonnet Creek, see Schultz and Falkenbach 1950); formational assignment follows Hunt 1985a; may include "? Mesoreodon" of Peterson 1905; includes "Phenacocoelus munroensis" type of Peterson 1928b from "head of Warbonnet Creek" (clearly from the same locality as P. typus)
Promerycochoerus carrikeri n. sp. Peterson 1907 oreodont provenance confirmed by Hunt 1985 contra Schultz and Falkenbach 1949; "head of Warbonnet Creek" according to the latter
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Delotrochanter petersoni2 Hunt 2011 bear-dog may include "Nothocyon lemur?" and/or "Leptocyon vafer" of Hunt 1985a
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