Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.1° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Appel Ranch Member (Word Formation), Roadian (272.3 - 268.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; 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 105741: authorized by Matthew Clapham, entered by Matthew Clapham on 24.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Strophomenata | |
|
Dyoros (Dyoros) extensus Cooper and Grant 1975 | |
|
Derbyia pannucia Cooper and Grant 1974 | |
|
Meekella skenoides Girty 1908 | |
|
Paucispinifera quadrata Cooper and Grant 1975 | |
|
Cyclacantharia kingorum Cooper and Grant 1969 | |
|
Eolyttonia progressa Cooper and Grant 1974 | |
|
Echinosteges tuberculatus King 1931
Xenosteges quadratus Cooper and Grant 1975 | |
| Rhynchonellata | |
|
Stenoscisma renode Cooper and Grant 1976 | |
|
Dielasma zebratum Cooper and Grant 1976 | |
|
Paraspiriferina rotundata Cooper and Grant 1976 | |
|
Reticulariina sp. Fredericks 1916
Reticulariina cerina Cooper and Grant 1976 | |
|
| |
|
Composita enormis Cooper and Grant 1976 | |
|
Neospirifer amphigyus Cooper and Grant 1976 | |
|
Spiriferella propria Cooper and Grant 1976 | |