Navajo dinosaur tracksite (Jurassic to of the United States)

Also known as Kayenta

Where: Navajo County, Arizona (36.7° N, 109.9° W: paleocoordinates 23.8° N, 47.7° 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)

• bed-level stratigraphic resolution

Environment/lithology: interdune; limestone

• "lacustrine deposits...appears to be a spring vent" forming standing water between sand dunes
• "the tracks are preserved in a limestone"

Size class: macrofossils

Preservation: trace

Collected in 1994

Primary reference: J. D. Nations, R. L. Swift, and N. Selestewa. 1996. A newly discovered dinosaur tracksite in the Lower Jurassic Navajo Sandstone, northeastern Arizona. In M. Morales (ed.), The Continental Jurassic. Museum of Northern Arizona Bulletin 60:141 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 38887: authorized by Matthew Carrano, entered by Matthew Carrano on 13.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
 Theropoda -