USNM726e, Hess Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Road Canyon Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; 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 102607: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Productida - Aulostegidae
Rhamnaria tenuispinosa2, Edriosteges compactus2, Xenosteges trivialis2
Rhamnaria tenuispinosa2 Cooper and Grant 1975
Edriosteges compactus2 Cooper and Grant 1975
Xenosteges trivialis2 Cooper and Grant 1975
 Productida - Cooperinidae
Cooperina subcuneata2
Cooperina subcuneata2 Cooper and Grant 1975
 Productida -
Rhytisia rugosa2
Rhytisia rugosa2 Cooper and Grant 1975
 Productida - Productellidae
Echinauris sp.2, Echinauris lappacea2
Echinauris sp.2 Muir-Wood and Cooper 1960
Echinauris lappacea2 Cooper and Grant 1975
 Productida - Cyclacanthariidae
Cyclacantharia transitoria2
Cyclacantharia transitoria2 Cooper and Grant 1975
 Productida - Lyttoniidae
Coscinophora magnifica2
Coscinophora magnifica2 Cooper and Grant 1974
 Orthotetida - Derbyiidae
Derbyia laqueata2, Derbyia cincinnata2
Derbyia laqueata2 Cooper and Grant 1974
Derbyia cincinnata2 Cooper and Grant 1974
 Orthotetida - Schuchertellidae
Tropidelasma corniculum2, Goniarina striata2
Tropidelasma corniculum2 Cooper and Grant 1974
Goniarina striata2 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella sp.2, Geyerella inexpectata2
Geyerella inexpectata2 Cooper and Grant 1974
 Strophomenida - Rugosochonetidae
Dyoros (Tetragonetes) solidus2, Dyoros (Dyoros) transversus2, Dyoros (Dyoros) angulatus2
Dyoros (Tetragonetes) solidus2 Cooper and Grant 1975
Dyoros (Dyoros) transversus2 Cooper and Grant 1975
Dyoros (Dyoros) angulatus2 Cooper and Grant 1975
Rhynchonellata
 Spiriferida - Trigonotretidae
Neospirifer formulosus2
Neospirifer formulosus2 Cooper and Grant 1976
 Spiriferida - Ambocoeliidae
Crurithyris sp.2
Crurithyris sp.2 George 1931
 Athyridida - Athyrididae
Composita sp.2
Composita sp.2 Brown 1849
 Athyridida - Neoretziidae
Hustedia sp.2
Hustedia sp.2 Hall and Clarke 1893
 Spiriferinida - Spiriferellinidae
Metriolepis sp.2
Metriolepis sp.2 Cooper and Grant 1976
 Spiriferinida - Paraspiriferinidae
Paraspiriferina pulchra2
Paraspiriferina pulchra2 Cooper and Grant 1976
 Rhynchonellida - Petasmatheridae
Petasmatherus nitidus2
Petasmatherus nitidus2 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Heterelasma sp.2
Heterelasma sp.2 Girty 1908
 Terebratulida - Pseudodielasmatidae
Pseudodielasma sp.2
Pseudodielasma sp.2 Brill 1940
 Orthida - Schizophoriidae
Acosarina mesoplatys2
 Orthida - Enteletidae
Enteletes sp.2
Enteletes sp.2 Waldheim 1825
Trilobita
 Proetida - Phillipsiidae
Anisopyge perannulata1, Delaria antiqua1, Delaria westexensis1
Anisopyge perannulata1 Shumard 1858 trilobite
Delaria antiqua1 Girty 1908 trilobite
Delaria westexensis1 Brezinski 1992 trilobite
1Brezinski 1992; 2Cooper and Grant 1977