ammonites
USNM706x, Wolf Camp Hills, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.1° W: paleocoordinates 3.9° S, 36.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Neal Ranch Formation, Asselian (298.9 - 295.0 Ma)

• Beds 12-14. Wolfcampian (Nealian)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

Primary reference: G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43556: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004, edited by Uta Merkel