Bourdette Draw tracsite (Triassic of the United States)

Where: Uintah County, Utah (40.4° N, 109.3° W: paleocoordinates 15.6° N, 46.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nugget Sandstone Formation, Late/Upper Triassic (237.0 - 201.3 Ma)

• base of formation

• bed-level stratigraphic resolution

Environment/lithology: fluvial; sandstone

• sandstone

Size class: macrofossils

Preservation: trace

Collected by M. Lockley & A. Hunt

Collection methods: surface (in situ),

Primary reference: B. B. Britt, D. J. Chure, G. F. Engelmann and J. D. Shumway. 2016. Rise of the erg—paleontology and paleoenvironments of the Triassic-Jurassic transition in northeastern Utah. Geology of the Intermountain West 3:1-32 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 184625: authorized by Matthew Carrano, entered by Matthew Carrano on 14.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pseudosuchia - Chirotheriidae
Brachychirotherium sp. Beurlen 1950 archosaur