Where: Crook County, Wyoming (44.7° N, 104.6° W: paleocoordinates 40.0° N, 50.2° 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: lacustrine

Size class: macrofossils

Collection methods: surface (float), surface (in situ),

Primary reference: J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 58511: authorized by Matt Carrano, entered by Matt Carrano on 10.02.2006