USNM717g, Clay Slide, Glass Mountains (Permian of the United States)

Where: Texas (30.3° N, 103.3° W: paleocoordinates 1.1° N, 33.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cathedral Mountain Formation, Kungurian (279.3 - 272.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: 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 105747: authorized by Matthew Clapham, entered by Matthew Clapham on 24.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Rugosochonetidae
Dyoros (Tetragonetes) planus Cooper and Grant 1975
 Productida - Productellidae
Echinauris sp. Muir-Wood and Cooper 1960
 Productida - Productidae
 Productida - Linoproductidae
Megousia umbonata Cooper and Grant 1975