Top Rock tracksite, Coyote Buttes (Jurassic to of the United States)

Also known as Dinosaur Dance Floor

Where: Coconino County, Arizona (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: interdune; bioturbated, fine-grained, medium, white sandstone

• heavily bioturbated interdune interval
• "~1-m-thick, massive, fine- to medium-grained, white sandstone bed"

Size class: macrofossils

Preservation: mold/impression, trace

Collected by W. Seiler & M. Chan

Collection methods: surface (in situ),

Primary reference: W. M. Seiler and M. A. Chan. 2008. A wet interdune dinosaur trampled surface in the Jurassic Navajo Sandstone, Coyote Buttes, Arizona: rare preservation of Multiple track types and tail traces. Palaios 23(10):700-710 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 86178: authorized by Matthew Carrano, entered by Matthew Carrano on 26.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Grallatoridae
cf. Grallator sp. Hitchcock 1858 theropod
cf. Anchisauripus sp. Lull 1904 theropod
cf. Eubrontes sp. Hitchcock 1845 theropod
 Saurischia -
Sauropodomorpha indet. Huene 1932 sauropodomorph