Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 50.0° N, 75.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

• now dated to upper middle Campanian

• group of beds-level stratigraphic resolution

Environment/lithology: "channel"; lithified, ferruginous, pebbly conglomerate and poorly lithified, yellow, argillaceous sandstone

Size class: mesofossils

Collected by M. McKenna in 1961, 1966, 1970; reposited in the AMNH

Collection methods: bulk, sieve,

• collected 1961, 1966, 1970

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 14433: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)