USNM 42014, Saline Range (Cambrian of the United States)

Where: Inyo County, California (37.0° N, 117.8° W: paleocoordinates 0.7° S, 94.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Amecephalus arrojosensis trilobite zone, Monola Formation, Delamaran (511.2 - 506.5 Ma)

• basal 15m of Monola Fm; Amecephalus arrojosensis Biozone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; argillaceous, cherty/siliceous shale and limestone

• "several thin bioclastic limestones and argillites within the basal 15m" of the Monola Fm.

Size class: macrofossils

Preservation: mold/impression

Reposited in the UNSM

Primary reference: F. A. Sundberg and L.B. McCollum. 2003. Early and Mid Cambrian Trilobites from the Outer-shelf Deposits of Nevada and California, USA. Palaeontology 46(5):945-986 [W. Kiessling/B. Brenneis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69504: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 27.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Ptychopariida - Alokistocaridae
Amecephalus arrojosensis
Amecephalus arrojosensis Lochman 1952 trilobite
several specimens from 8 USNM Saline Range loc.
 Ptychopariida -
Tonopahella walcotti
Tonopahella walcotti Sundberg and McCollum 2000 trilobite