Where: Nevada (36.5° N, 115.6° W: paleocoordinates 10.2° N, 39.0° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Bird Spring Formation, Artinskian (290.1 - 279.3 Ma)

• Likely upper part of Bird Spring Formation - Artinskian in age, if correlated to the Late Wolfcampian in Texas.

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; wackestone

Size class: macrofossils

Preservation: replaced with silica

Collection methods: bulk, chemical,

Primary reference: M. E. Clapham and D. J. Bottjer. 2007. Permian marine paleoecology and its implications for large-scale decoupling of brachiopod and bivalve abundance and diversity during the Lopingian (Late Permian). Palaeogeography, Palaeoclimatology, Palaeoecology 249:283-301 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 66104: authorized by David Bottjer, entered by Matthew Clapham on 28.09.2006

Creative Commons license: CC BY (attribution)