Where: Texas (31.8° N, 104.8° W: paleocoordinates 3.4° N, 33.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Brushy Canyon Formation, Roadian (272.3 - 268.8 Ma)
• Most likely from the Brushy Canyon Formation (possibly Cherry Canyon) given outcrops along probably route of party.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Collected by George G. Shumard in 1855
• Shumard's specimens were destroyed in a fire
Primary reference: B. F. Shumard. 1859. Notice of fossils from the Permian strata of Texas and New Mexico obtained by the United States expedition under Capt. John Pope, for boring artesian wells along the 32nd parallel, with descriptions of new species from these strata and the Coal Measures of that region. Transactions of the Academy of Science of St. Louis 1:387-402 [P. Wagner/P. Wagner/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133739: authorized by Matthew Clapham, entered by Matthew Clapham on 27.09.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
""Spirifer" ? cameratus" = Neospirifer cameratus
""Spirifer" ? cameratus" = Neospirifer cameratus Morton 1836 | |
Strophomenata | |
"Streptorhynchus" (Orthisina) ? shumardianus Swallow 1858 |