MCAH ( of the United States)
Also known as Mo-107, in part
Where: Morrill County, Nebraska (41.7° N, 103.1° W: paleocoordinates 42.6° N, 97.3° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Arikaree Formation, Arikareean (29.5 - 18.5 Ma)
Environment/lithology: terrestrial
Primary reference: C. C. Swisher. 1982. Stratigraphy and biostratigraphy of the eastern portion of the Wildcat Ridge, western Nebraska. 1-172 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17541: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• only important micromammal locality in the basal Arikaree on Wildcat Ridge
this and the other Morrill Co. basal Arikaree localities are to the east of Olsen's Ranch in Banner Co., source of the Olsen's Third Ash date of 27.79 +/- 0.08 Ma (SCLF AA) given by Tedford et al. 1996
this and the other Morrill Co. basal Arikaree localities are to the east of Olsen's Ranch in Banner Co., source of the Olsen's Third Ash date of 27.79 +/- 0.08 Ma (SCLF AA) given by Tedford et al. 1996
Show authors, comments, and common names
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Pleurolicus cf. sulcifrons Cope 1878 pocket gopher | |
"Proheteromys fedti" = Proharrymys fedti
"Proheteromys fedti" = Proharrymys fedti Macdonald 1963 rodent | |