tracksite, 5 km northeast of Moab airport (Jurassic to of the United States)

Also known as Arches West tracksite

Where: Grand County, Utah (38.6° N, 109.4° W: paleocoordinates 33.8° N, 54.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Salt Wash Member (Morrison Formation), Late/Upper Oxfordian to Late/Upper Oxfordian (161.2 - 152.1 Ma)

• basal part of member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

• "...sandstone casts in a poorly bedded, laterally impersistent sandstone bed about 25 cm in thickness. This unit sits on top of weathered red shales and is overlain by thick channel sandstones…"

Size class: macrofossils

Preservation: cast, trace

Collected by M. Lockley in 1993

Collection methods: surface (in situ),

Primary reference: M. G. Lockley and A. P. Hunt. 1995. Dinosaur Tracks and Other Fossil Footprints of the Western United States xxi-338 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156127: authorized by Matthew Carrano, entered by Matthew Carrano on 08.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Stegopodus czerkasi n. gen. n. sp.
Stegopodus czerkasi n. gen. n. sp. Lockley and Hunt 1998 ornithischian
CU-MWC 195.1, 195.2