Also known as Dinosaur National Monument, UT-25

Where: Uintah County, Utah (40.4° N, 109.2° W: paleocoordinates 36.8° N, 55.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Tithonian (152.1 - 145.0 Ma)

• upper part of member, "zone 6"

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; mudstone

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, mechanical, sieve,

Primary reference: D. J. Chure. 1994. Koparion douglassi, a new dinosaur from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument; the oldest troodontid (Theropoda: Maniraptora). Brigham Young University Geology Studies 40:11-15 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 22711: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 29.05.2001, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)