Case Site 4 (DUPLICATE) (Cretaceous of the United States)

Also known as G. R. Case no. MV498, 506

Where: Washakie County, Wyoming (44.1° N, 107.8° W: paleocoordinates 51.0° N, 75.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Mesaverde Formation, Judithian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; poorly lithified, intraclastic, yellow, argillaceous sandstone

• "friable, yellow channel sandstones with occasional stringers of clay galls and clay clasts"

Size class: mesofossils

Collected in 1978; reposited in the AMNH

Collection methods: bulk, sieve,

Primary reference: J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14441: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 3 (based on catalog numbers)
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