San Rafael River tracksite (Jurassic to of the United States)

Where: Emery County, Utah (38.9° N, 110.4° W: paleocoordinates 35.4° N, 57.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• near top of member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; conglomeratic sandstone and red mudstone

• "a thick, pebbly, crossbedded sandstone...The underlying rock into which the tracks were made is thinly laminated red mudstone"

Size class: macrofossils

Preservation: cast, trace

Collection methods: surface (in situ),

Primary reference: J. R. Foster and M. G. Lockley. 2006. The vertebrate ichnological record of the Morrison Formation (Upper Jurassic, North America). In J. R. Foster, S. G. Lucas (eds.), Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36:203-216 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 192787: authorized by Matthew Carrano, entered by Matthew Carrano on 19.04.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Sauropoda indet. Marsh 1878 sauropod