Potash Road Dinosaur tracksite (Jurassic to of the United States)

Also known as Moab, western site

Where: Grand County, Utah (38.5° N, 109.7° W: paleocoordinates 25.5° N, 47.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Navajo Sandstone Formation (Glen Canyon Group), Pliensbachian to Pliensbachian (190.8 - 174.1 Ma)

• Navajo Sandstone forms uppermost part of Glen Canyon Group, and is Early Jurassic, but probably not older than Pliensbachian (Irmis 2005. A review of the vertebrate fauna of the Lower Jurassic Navajo Sandstone in Arizona. Mesa Southwest Museum Bulletin 11:55–71). Have been erroneously described as coming from the Kayenta Fm. as well. 6 track-bearing beds.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, fine-grained, quartzose sandstone

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by L. Epmeier, F. Barnes in 1971

Collection methods: surface (float), surface (in situ),

• Museum: CU-MWC

Primary reference: M. G. Lockley. 1984. Dinosaur footprints from the Kayenta Formation of eastern Utah. Geology Department Magazine, University of Colorado Denver 3:29-31 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60602: authorized by John Alroy, entered by Susanna Kümmell on 18.05.2006, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Eubrontidae
"Eubrontes sp." = Grallator (Eubrontes), "Grallator sp." = Grallator (Eubrontes)
"Eubrontes sp." = Grallator (Eubrontes) Hitchcock 1845 theropod
"Grallator sp." = Grallator (Eubrontes) Hitchcock 1845 theropod
"sensu stricto"
 Neornithischia - Moyenisauropodidae
"Trisauropodiscus moabensis n. sp." = Anomoepus moabensis
"Trisauropodiscus moabensis n. sp." = Anomoepus moabensis Lockley et al. 1992 bird foot dinosaur