Where: Big Horn County, Wyoming (44.5° N, 107.9° W: paleocoordinates 40.3° N, 53.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Morrison Formation, Kimmeridgian to Kimmeridgian (155.7 - 145.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; green, red, silty claystone

Size classes: macrofossils, mesofossils

Collected by E. Kvale in 1997; reposited in the USNM

Collection methods: bulk, quarrying, surface (float), surface (in situ), mechanical, sieve,

Primary reference: M. Brett-Surman, S. Jabo, P. A. Kroehler, M. T. Carrano, and E. P. Kvale. 2005. A new microvertebrate assemblage from the Upper Jurassic Morrison Formation, including mammals, theropods, and sphenodontians. Journal of Vertebrate Paleontology 25(3, suppl.):39A [M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 55333: authorized by Matt Carrano, entered by Matt Carrano on 10.10.2005