Grapevine Mountains (USGS 4145-CO) (Cambrian of the United States)

Where: California (36.8° N, 117.1° W: paleocoordinates 1.3° S, 96.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Olenellus trilobite zone, Gold Ace Limestone Member (Carrara Formation), Dyeran (515.3 - 511.2 Ma)

• One included only Olenellus puertoblancoensis (Lochman) and

•O. howelli? (Meek), one of two species pairs recognized

•within the olenellid assemblages of the Carrara Formation.

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lime mudstone

• The bulk of the Gold Ace Limestone Member is a

•microspar limestone, presumed to have been a lime

•mudstone or a pelleted lime mudstone when deposited.

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 149612: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 15.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Redlichiida - Olenellidae
Olenellus ? howelli, Olenellus puertoblancoensis
Olenellus ? howelli White 1874 trilobite
Olenellus puertoblancoensis Lochman 1952 trilobite