Where: Antelope County, Nebraska (42.4° N, 98.1° W: paleocoordinates 42.8° N, 95.5° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Merritt Dam Member (Ash Hollow Formation), Late/Upper Clarendonian (12.5 - 9.4 Ma)
• single sandstone bed "about 1 m thick"; shown above Bluejay Quarry (Merritt Dam Member) in the upper Ash Hollow Formation
• bed-level stratigraphic resolution
Environment/lithology: fine channel fill; silty sandstone
Size class: mesofossils
Collection methods: bulk, chemical, sieve,
• burrow fillings "soaked... in water and detergent until disaggregated, and then screened... using 25-mesh screen"
Primary reference: M. R. Voorhies. 1974. Fossil pocket mouse burrows in Nebraska. American Midland Naturalist 91(2):492-498 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37802: authorized by John Alroy, entered by John Alroy on 24.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
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Mammalia | |
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