Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.1° N, 33.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Road Canyon Formation, Kungurian (279.3 - 272.3 Ma)
• Beds with Perrinites
• 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 105926: authorized by Matthew Clapham, entered by Matthew Clapham on 27.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Anteridocus seminudus Cooper and Grant 1976 | |
Cephalopoda | |
Eumedlicottia whitneyi Böse 1919 ammonite | |
Perrinites hilli Smith 1903 ammonite |