Also known as UCD90-3, UCD Loc. 3, UCD 90-3

Where: Uintah County, Utah (40.4° N, 109.3° W: paleocoordinates 16.7° N, 47.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Popo Agie Formation, Norian to Norian (228.0 - 201.3 Ma)

• also assigned to Chinle Fm.; boundary between "red siltstone unit" and "purple unit", 8 m below top of upper member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red, blue, silty sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Collected by M. Lockley, K. Conrad, M. Paquette in 1990–1992

Collection methods: surface (in situ), peel or thin section,

Primary reference: M. G. Lockley, R. F. Fleming, and K. Conrad. 1990. Distribution and significance of Mesozoic vertebrate trace fossils in Dinosaur National Monument. University of Wyoming National Park Service Research Center Annual Report 14(11):39-41 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 193018: authorized by Matthew Carrano, entered by Matthew Carrano on 03.05.2018

Creative Commons license: CC BY (attribution)