42-13w.1 (Cambrian of the United States)

Where: McCulloch County, Texas (31.0° N, 99.3° W: paleocoordinates 18.0° S, 94.4° W)

• coordinate estimated from map

When: Camaraspis trilobite zone, Wilberns Formation, Furongian (497.0 - 485.4 Ma)

• Camaraspis zone is Furongian

•Llano uplift

Environment/lithology: marine; lithified sandstone

• limey, orange colored sandstone

Size class: macrofossils

Collection methods: Fossils collected from Camp San Saba of the Wedge sandstone at the base of the Wilberns limestone; collection 42-13w.1, 1 feet above the base of the formation

Primary reference: J. L. Wilson. 1949. The trilobite fauna of the Elvina zone in the Basal Wilberns limestone of Texas. Journal of Paleontology 23(1):25-44 [M. Hopkins/S. Mahmood]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 156343: authorized by Melanie Hopkins, entered by Shaun Mahmood on 19.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Ptychopariida - Elviniidae
Elvinia roemeri trilobite