Dinosaur National Monument tracksite 9 (Triassic to of the United States)

Also known as UCD91-9, UCD Loc. 9, UCD 91-9

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

• coordinate estimated from map

• outcrop-level geographic resolution

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

• also assigned to Chinle Fm.; middle of "red siltstone unit"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red siltstone

Size class: macrofossils

Preservation: mold/impression, trace

Collected by M. Lockley, K. Conrad, M. Paquette in 1991–1992

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

Primary reference: M. G. Lockley, K. L. Conrad, M. Paquette and A. H. Hamblin. 1992. Late Triassic vertebrate tracks in the Dinosaur National Monument area. Field Guide to Geologic Excursions in Utah and Adjacent Areas of Nevada, Idaho, and Wyoming. Utah Geological Survey Miscellaneous Publication 92-3:383-390 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 193020: authorized by Matthew Carrano, entered by Matthew Carrano on 03.05.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pseudosuchia - Chirotheriidae
? Brachychirotherium sp. Beurlen 1950 archosaur
DINO 15002
 Eosuchia - Tanystropheidae
Gwyneddichnium sp. Bock 1952 archosauromorph
DINO 15001