Where: Inyo County, California (37.2° N, 118.0° W: paleocoordinates 39.8° S, 125.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Member (Deep Spring Formation), Ediacaran (635.0 - 541.0 Ma)

• The fauna occurs 1,000 meters below the first trilobite body fossils and 300m below the first presumed trilobite trace fossils (Rusophycs, Diplichnites, and Monomorphichnus). The formation has been correlated lithologically with the Lower Member of the Wood Canyon Formation in the Death Valley Region

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone

Size class: mesofossils

Preservation: recrystallized, original calcite, replaced with dolomite

Reposited in the UCMP

Collection methods: chemical,

• No phosphatic fossils have yet to be discovered in the Deep Spring Formation.

Primary reference: P. W. Signor and J. F. Mount. 1987. A pre-trilobite shelly fauna from the White-Inyo region of eastern California and western Nevada. Journal of Paleontology 61(3):425-438 [M. Patzkowsky/P. Borkow/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10549: authorized by Mark Patzkowsky, entered by Phil Borkow on 21.05.2001

Creative Commons license: CC BY (attribution)