USNM742b, Hess Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.6° N, 33.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Word Formation, Wordian (266.9 - 264.3 Ma)

• Lens between China Tank and Appel Ranch Members

• 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 102626: 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 kingorum2, Echinosteges tuberculatus2, Xenosteges quadratus2
Rhamnaria kingorum2 Muir-Wood and Cooper 1960
Xenosteges quadratus2 Cooper and Grant 1975
 Productida - Cooperinidae
Cooperina inexpectata2
Cooperina inexpectata2 Termier et al. 1966
 Productida - Paucispiniferidae
Paucispinifera quadrata2, Liosotella irregularis2, Liosotella wordensis2
Paucispinifera quadrata2 Cooper and Grant 1975
Liosotella irregularis2 Cooper and Grant 1975
 Productida - Productellidae
Echinauris lateralis2, Thamnosia phragmophora2
Echinauris lateralis2 Muir-Wood and Cooper 1960
Thamnosia phragmophora2 Cooper and Grant 1975
 Productida - Linoproductidae
Grandaurispina crassa2
Grandaurispina crassa2 Cooper and Grant 1975
 Productida - Cyclacanthariidae
Cyclacantharia kingorum2
Cyclacantharia kingorum2 Cooper and Grant 1969
 Productida - Lyttoniidae
Pseudoleptodus grandis2
Pseudoleptodus grandis2 Cooper and Grant 1974
 Orthotetida - Derbyiidae
Derbyia sp.2, Derbyia texta2
Derbyia sp.2 Waagen 1884
Derbyia texta2 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella skenoides2
Meekella skenoides2 Girty 1908
 Strophomenida - Rugosochonetidae
Dyoros (Dyoros) extensus2, Dyoros (Dyoros) convexus2
Dyoros (Dyoros) extensus2 Cooper and Grant 1975
Dyoros (Dyoros) convexus2 Cooper and Grant 1975
Rhynchonellata
 Spiriferida - Trigonotretidae
Cartorhium orbiculatum2
Cartorhium orbiculatum2 Cooper and Grant 1976
 Spiriferida - Spiriferellidae
Spiriferella clypeata2
Spiriferella clypeata2 Cooper and Grant 1976
 Spiriferida - Strophopleuridae
"Spiriferinaella scalpata" = Johncarteria scalpata2
"Spiriferinaella scalpata" = Johncarteria scalpata2 Cooper and Grant 1976
 Athyridida - Athyrididae
Composita sp.2
Composita sp.2 Brown 1849
 Athyridida - Neoretziidae
Hustedia sp.2
Hustedia sp.2 Hall and Clarke 1893
 Spiriferinida - Spiriferellinidae
Spiriferellina hilli2
 Spiriferinida - Reticulariinidae
Reticulariina sp.2, Reticulariina cerina2
Reticulariina sp.2 Fredericks 1916
Reticulariina cerina2 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma renode2
Stenoscisma renode2 Cooper and Grant 1976
 Rhynchonellida - Allorhynchidae
Allorhynchus triangulatum2
Allorhynchus triangulatum2 Cooper and Grant 1976
Trilobita
 Proetida - Phillipsiidae
Anisopyge perannulata1
Anisopyge perannulata1 Shumard 1858 trilobite
1Brezinski 1992; 2Cooper and Grant 1977