Green River Dinosaur Quarry (Jurassic to of the United States)

Also known as UT-9; UMNH VP Loc. 60, UGS EM363V

Where: Emery County, Utah (39.0° N, 110.4° W: paleocoordinates 35.3° N, 56.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; gray mudstone

• poorly drained floodplain
• "a gray mudstone unit"

Size class: macrofossils

Collected by D. Gillette in 1992–1995

Collection methods: salvage, quarrying, mechanical,

Primary reference: R. L. Kolb, L. E. Davis, and D. D. Gillette. 1996. The theropod dinosaur Allosaurus Marsh from the upper part of the Brushy Basin Member of the Morrison Formation (Upper Jurassic) near Green River, Utah. In A. C. Huffman Jr., W. R Lund, & L. H. Godwin (eds.), 1996 Field Symposium: Geology and Resources of the Paradox Basin. Utah Field Association Guidebook 25:339-349 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 49626: authorized by Matthew Carrano, entered by Matthew Carrano on 20.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• supposedly "at least five dinosaur species" at the site
 Saurischia - Camarasauridae
? Camarasaurus sp. Cope 1877 camarasaurid
 Avetheropoda - Allosauridae
Allosaurus sp. Marsh 1877 allosaurid
UMNH VP 5918–5926
 Ornithischia - Stegosauridae
? Stegosaurus sp. Marsh 1877 ornithischian