42-3w.8 (Cambrian of the United States)

Where: Texas (30.4° N, 98.4° W)

• Paleocoordinates: 15.9° N, 120.6° W (Wright 2013)

• coordinate estimated from map

When: Camaraspis trilobite zone, Wilberns Formation, Furongian (497.0 - 486.9 Ma)

• Camaraspis zone is Furongian

•Llano uplift

Environment/lithology: marine; lithified, gray, white, silty limestone

Size class: macrofossils

Collection methods: Fossils collected from Lion Mountain of the Wilberns limestone; collection 42-3w.8, 49 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 156264: authorized by Melanie Hopkins, entered by Shaun Mahmood on 16.05.2014

Creative Commons license: CC0 (CC0)

Taxonomic list

Trilobita
 Olenida - Dokimokephalidae
Dellea wilbernsensis Wilson 1949 trilobite
Dokimocephalus intermedius Resser 1942 trilobite
 Olenida - Pterocephaliidae
Pterocephalia sanctisabae Roemer 1849 trilobite
"Camaraspis convexa" = Camaraspis convexus Whitfield 1878 trilobite
 Ptychopariida - Elviniidae
Elvinia roemeri Shumard 1861 trilobite