Old Number One (UW V-81036) (Cretaceous of the United States)

Where: Washakie County, Wyoming (44.1° N, 107.8° W: paleocoordinates 51.0° N, 75.8° 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 1981; reposited in the UW

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 14478: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 1 (based on catalog numbers)
Actinopteri
 Ichthyodectiformes - Ichthyodectidae
Xiphactinus vetus Leidy 1856
Mammalia
 Theriiformes -
Theria indet. Parker and Haswell 1897 mammal