Sandstone towards base of Guadalupe Mountains (Permian of the United States)

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
 Spiriferida - Trigonotretidae
""Spirifer" ? cameratus" = Neospirifer cameratus
""Spirifer" ? cameratus" = Neospirifer cameratus Morton 1836
Strophomenata
 Orthotetida - Schuchertellidae