Where: Mohave County, Arizona (36.9° N, 112.7° W: paleocoordinates 24.3° N, 50.2° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• 2 m above base of formation

•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; medium-grained, coarse, red, yellow sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Collected by R. Cuffey in 1988, 1995

Collection methods: surface (in situ),

Primary reference: R. J. Cuffey, M. J. Di Nardo-Magilton, and B. J. Herzing. 1998. Dinosaur footprints in the basal Navajo Sandstone (Lower Jurassic) at Pipe Spring Naitonal Monument, northwestern Arizona. In V. L. Santucci & L. McClelland (eds.), National Park Service Geologic Resources Division Technical Report NPS/NRGRD/GRDTR-98/01. National Park Service Paleontological Research Volume 3:149-151 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 51976: authorized by Matthew Carrano, entered by Matthew Carrano on 08.07.2005

Creative Commons license: CC BY (attribution)