Lost Spring Wash tracksite (Jurassic of the United States)

Also known as Bullfrog, Lost Springs

Where: Garfield County, Utah (37.7° N, 110.7° W: paleocoordinates 33.5° N, 56.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Salt Wash Member (Morrison Formation), Kimmeridgian (157.3 - 152.1 Ma)

• near middle of member

• bed-level stratigraphic resolution

Environment/lithology: "channel"; yellow sandstone and paleosol/pedogenic, fine-grained, red siltstone

• "buff coloured channel sandstone sitting on fine grained red sitstones"

Size class: macrofossils

Preservation: cast, trace

Collected by J. Robinson in 1992

Collection methods: surface (in situ),

Primary reference: C. A. Meyer, M. G. Lockley, J. W. Robinson and V. F. Santos. 1995. A comparison of well-preserved sauropod tracks from the Late Jurassic of Portugal and the western United States: evidence and implications. In M. G. Lockley, V. F. dos Santos, C. A. Meyer, & A. P. Hunt (eds.), Aspects of Sauropod Paleobiology. GAIA 10:57-64 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 62207: authorized by Matthew Carrano, entered by Matthew Carrano on 14.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Saurischia -
Brontopodus sp.
Brontopodus sp. Farlow et al. 1989 sauropod
2 probably consecutive tracks