USNM725b, Red Tank Canyon, Van Horn (Permian of the United States)

Where: Texas (31.1° N, 104.3° W: paleocoordinates 0.4° N, 34.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hueco Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

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 105892: authorized by Matthew Clapham, entered by Matthew Clapham on 26.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Enteletidae
Enteletes sp. Waldheim 1825
 Spiriferida - Elythidae
"Neophricadothyris catatona" = Phricodothyris catatona
"Neophricadothyris catatona" = Phricodothyris catatona Cooper and Grant 1976
 Athyridida - Athyrididae
Composita cracens Cooper and Grant 1976
Composita mexicana Hall 1857
 Terebratulida - Gillediidae
Lowenstamia sp. Stehli 1961
 Terebratulida - Cryptonellidae
Texarina sp. Cooper and Grant 1970
Strophomenata
 Orthotetida - Meekellidae
Meekella circularis Cooper and Grant 1974
 Productida - Cyclacanthariidae
Acritosia silicica Cooper and Grant 1975