Where: California (35.0° N, 116.8° W: paleocoordinates 34.2° N, 112.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Barstow Formation, Barstovian (16.0 - 13.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, nodular, brown shale

Size classes: macrofossils, mesofossils

Preservation: replaced with calcite, replaced with silica, replaced with other

Collected by A.R. Palmer, A.M. Bassett, J.A. Patten in 1954

Primary reference: A. R. Palmer. 1957. Miocene arthropods from the Mojave desert, California. United States Geological Survey Professional Paper 294-G:237-280 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123042: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2012

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)