USNM701a2, Wolf Camp Hills, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.1° W: paleocoordinates 4.5° S, 36.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Neal Ranch Formation, Asselian (298.9 - 295.5 Ma)

• Slopes between beds 2 and 9 of Cooper. Wolfcampian (Nealian).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified 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 43471: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• A variety of papers list the brachiopods, nearly all gastropods, most bivalves (except primarily Paleotaxodonts), trilobites, chitons, siliceous sponges, rugose corals (only from Gaptank and Asselian/Sakmarian formations).
Hexactinellida
 Reticulosa - Stereodictyidae
Stereodictyum orthoplectum n. gen. n. sp.2 Finks 1960 glass sponge
Strophomenata
 Orthotetida - Meekellidae
Geyerella "sp. 3"1 Schellwien 1900
Gastropoda
 Cyrtoneritida - Orthonychiidae
"Platyceras (Orthonychia) sp." = Orthonychia3
"Platyceras (Orthonychia) sp." = Orthonychia3 Hall 1843 snail