Where: California (36.1° N, 116.2° W: paleocoordinates 1.8° S, 96.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Olenellus trilobite zone, Pyramid Shale Member (Carrara Formation), Dyeran (515.3 - 511.2 Ma)

• Throughout the area of outcrop of the Carrara Formation, the lower 10 m of this member, or correlative beds in the east where the underlying Gold Ace Limestone Member is absent, contain the distinctive association of olenellids characteristic of the Olenellus multinodus Zonule.

• member-level stratigraphic resolution

Environment/lithology: coastal; micaceous, brown, green shale

Size classes: macrofossils, mesofossils, microfossils

Primary reference: A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131 [W. Kiessling/M. Krause/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149696: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 20.08.2013

Creative Commons license: CC BY (attribution)