Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.0° N, 98.2° W)
• coordinate based on political unit
When: Ash Hollow Formation (Ogallala Group), Hemphillian (10.3 - 4.9 Ma)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: R. H. Tedford, T. Galusha, M. F. Skinner, B. E. Taylor, R. W. Fields, J. R. Macdonald, J. M. Rensberger, S. D. Webb, and D. P. Whistler. 1987. Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America. In M. O. Woodburne (ed.), Cenozoic Mammals of North America: Geochronology and Biostratigraphy 153-210 [J. Alroy/J. Alroy/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 18043: authorized by John Alroy, entered by John Alroy on 26.03.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
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Dipoides sp. Jaeger 1835 beaver | |
Plionarctos sp. Frick 1926 bear |