Split Rock Waterfall tracksite (Jurassic to of the United States)

Also known as Rabbit Valley

Where: Mesa County, Colorado (39.1° N, 109.0° W: paleocoordinates 35.4° N, 55.9° 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)

• upper part of member

• bed-level stratigraphic resolution

Environment/lithology: "channel"; gray, sandy siltstone and coarse-grained sandstone

• "a gray slightly sandy silt between two coarse-grained channel sand units within a thick sequence of red and green 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 192783: 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