Where: Logan County, Colorado (40.8° N, 103.1° W: paleocoordinates 41.3° N, 100.3° W)
• coordinate based on political unit
When: Pawnee Creek Beds Formation, Barstovian to Barstovian (16.3 - 9.4 Ma)
• JA: Barstovian to Clarendonian based on AEO results
Environment/lithology: terrestrial; lithology not reported
Primary reference: E. C. Galbreath. 1953. A contribution to the Tertiary geology and paleontology of northeastern Colorado. University of Kansas Paleontological Contributions Vertebrata 4:1-120 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 18445: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
"probable" occurrences: Pseudaelurus intrepidus "Merychippus" proplacidus "Merychippus" campestris Teleoceras "medicornutus" (sic)
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Proboscidea indet. proboscidean | |
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Plionictis ogygia Matthew 1901 mustelid carnivore | |
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Hipparionini indet. Quinn 1955 hipparionine horse "Merychippus" republicanus: i.d. not clearly established by Galbreath's description
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"Merychyus medius" = Ustatochoerus medius1
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Aepycamelus giraffinus Matthew 1909 camel | |
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Ramoceros osborni Matthew 1904 pronghorn | |
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