Where: Arizona/Utah (37.0° N, 112.0° W: paleocoordinates 24.3° N, 49.5° W)

• coordinate stated in text

• 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)

• bed-level stratigraphic resolution

Environment/lithology: dune; sandstone

Size class: macrofossils

Preservation: mold/impression, trace

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

Primary reference: D. B. Loope. 2006. Dry-season tracks in dinosaur-triggered grainflows. Palaios 21:132-142 [M. Carrano/K. Maguire/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 60455: authorized by Matthew Carrano, entered by Kaitlin Maguire on 15.05.2006, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)