Dolores Valley tracksite (CU-MWC 177) (Jurassic of the United States)

Also known as Gateway

Where: Mesa County, Colorado (38.6° N, 109.0° W: paleocoordinates 18.5° N, 48.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wingate Sandstone Formation (Glen Canyon Group), Hettangian (201.3 - 199.3 Ma)

• bed-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 193011: authorized by Matthew Carrano, entered by Matthew Carrano on 03.05.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Otozoidae
Otozoum sp. Hitchcock 1847 prosauropod
parallel trackways; CU-MWC 177.18
 Pseudosuchia - Batrachopodidae
? Batrachopus sp. Hitchcock 1845 aetosaur
CU-MWC 177.17