Buffalo Quarry, Smith Ranch (Jurassic of the United States)

Where: Johnson County, Wyoming (44.3° N, 106.7° W: paleocoordinates 39.4° N, 51.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Morrison Formation, Kimmeridgian (157.3 - 152.1 Ma)

• 5 m above base of Morrison Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained sandstone

Size class: macrofossils

Collected by McSherry in 1985

Collection methods: quarrying, mechanical,

Primary reference: K. Carpenter and C. A. Miles. 1997. New, primitive stegosaur (Ornithischia) from the Upper Jurassic. Journal of Vertebrate Paleontology 17(3, suppl.):35A [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55349: authorized by Matthew Carrano, entered by Matthew Carrano on 11.10.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Stegosauridae
Hesperosaurus mjosi n. gen. n. sp.
Hesperosaurus mjosi n. gen. n. sp. Carpenter et al. 2001 ornithischian
HMNS 14 (= HMNH 001), "new genus and species"