Grapevine Pass Wash Tracksite (Jurassic of the United States)

Also known as Spectrum Tracksite, Paleontology Locality 42Ws201T

Where: Washington County, Utah (37.1° N, 113.5° W: paleocoordinates 17.3° N, 52.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Springdale Sandstone Member (Kayenta Formation), Hettangian (201.3 - 199.3 Ma)

• lower part of formation, top of member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine, yellow, calcareous sandstone and brown, red mudstone

• "a very pale-orange, medium-bedded, very fine-to fine-grained sandstone that is overlain by thin-bedded, reddish-brown mudstone and siltstone" "…fine carbonate-rich sandstone…"

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (in situ),

Primary reference: A. H. Hamblin. 2006. Spectrum Tracksite—also known as the Grapevine Pass Wash Tracksite. In R. E. Reynolds (ed.), Making Tracks Across the Southwest: The 2006 Desert Symposium 29-34 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 157013: authorized by Matthew Carrano, entered by Matthew Carrano on 04.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Theropoda - Grallatoridae
Eubrontes sp.
Eubrontes sp. Hitchcock 1845 theropod
8-9 trackways and many isolated tracks