Dolores Valley tracksite (CU-MWC 153) (Triassic of the United States)

Also known as Gateway

Where: Mesa County, Colorado (38.6° N, 108.9° W: paleocoordinates 14.1° N, 47.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chinle Formation, Norian (228.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (float),

Primary reference: M. G. Lockley, S. G. Lucas, A. P. Hunt and R. Gaston. 2004. Ichnofaunas from the Triassic-Jurassic boundary sequences of the Gateway area, western Colorado: implications for faunal composition and correlations with other areas. Ichnos 11:89-102 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 193013: authorized by Matthew Carrano, entered by Matthew Carrano on 03.05.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Mammalia -
? Mammalia indet. mammal
CU-MWC 153.16
Mammalia indet. mammal
CU-MWC 153.22
Reptilia
 Squamata -
? Rhynchosauroides sp. Maidwell 1911 squamates
CU-MWC 153.39
Rhynchosauroides sp. Maidwell 1911 squamates
CU-MWC 153.16