Where: Texas (30.3° N, 103.3° W: paleocoordinates 1.4° N, 33.3° 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 105814: authorized by Matthew Clapham, entered by Matthew Clapham on 25.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Hustedia sp. Hall and Clarke 1893 | |
Cleiothyridina nana Cooper and Grant 1976
Composita sp. Brown 1849
Composita crassa Cooper and Grant 1976 | |
Metriolepis ziczac Cooper and Grant 1976 | |
Acosarina mesoplatys King 1931 | |
Anteridocus seminudus Cooper and Grant 1976 | |
Chondronia ovalis Cooper and Grant 1976 | |
Strophomenata | |
Taphrosestria peculiaris Cooper and Grant 1975 | |
Edriosteges compactus Cooper and Grant 1975 | |
? Echinauris sp. Muir-Wood and Cooper 1960 | |
Derbyia laqueata Cooper and Grant 1974 | |
Meekella calathica Cooper and Grant 1974 |