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)
• Lower
• group of beds-level stratigraphic resolution
Environment/lithology: slope; 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 105805: authorized by Matthew Clapham, entered by Matthew Clapham on 25.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
| |
Strophomenata | |
Meekella calathica1 Cooper and Grant 1974 | |
Derbyia cincinnata1 Cooper and Grant 1974
Derbyia informis1 Cooper and Grant 1974 | |
Dyoros (Dyoros) extensiformis1 Cooper and Grant 1975 | |
Paucispinifera sulcata1 Cooper and Grant 1975 | |
Peniculauris transversa1 Cooper and Grant 1975 | |
"Kutorginella robusta" = Retaria robusta1 Cooper and Grant 1975
Echinauris lappacea1 Cooper and Grant 1975
Echinauris bella1 Cooper and Grant 1975 | |
Holotricharina hirsuta1 Cooper and Grant 1975 | |
Xenosteges magnus1 Cooper and Grant 1975
Edriosteges multispinosus1 Muir-Wood and Cooper 1960 | |
Hercosestria cribrosa1 Cooper and Grant 1969 | |
Eolyttonia chaotica1 Cooper and Grant 1974 | |
Rhynchonellata | |
Stenoscisma bonum1 Cooper and Grant 1976
Stenoscisma triquetrum1 Cooper and Grant 1976 | |
| |
Cenorhynchia atmeta1 Cooper and Grant 1976
Cenorhynchia mitigata1 Cooper and Grant 1976 | |
Elassonia micraria1 Cooper and Grant 1976 | |
Acosarina mesoplatys1 King 1931 | |
"Crurithyris minutalis" = Cruricella minutalis1
"Crurithyris minutalis" = Cruricella minutalis1 Cooper and Grant 1976 | |
"Neospirifer thescelus" = Spiriferalaria thescelus1
"Neospirifer thescelus" = Spiriferalaria thescelus1 Cooper and Grant 1976 | |
Neophricadothyris crassibecca1 Cooper and Grant 1976
"Neophricadothyris bullata" = Permophricodothyris bullata1 Cooper and Grant 1976 | |
Hustedia sp.1 Hall and Clarke 1893
Hustedia connorsi1 Cooper and Grant 1976
Hustedia narinosa1 Cooper and Grant 1976 | |
Composita crassa1 Cooper and Grant 1976 | |
Dielasma sp.1 King 1856
Dielasma ellipsoideum1 Cooper and Grant 1976 | |
Texarina wordensis1 King 1931
Heterelasma glansfagea1 Cooper and Grant 1976 | |
Craniata | |
Lepidocrania tardispinosa1 Cooper and Grant 1974
Petrocrania sp.1 Raymond 1910 |