42-9w.9 (Cambrian of the United States)

Where: Texas (30.6° N, 98.3° W: paleocoordinates 18.9° S, 94.6° 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, white limestone

• white limestone

Size class: macrofossils

Collection methods: Fossils collected from Baldy Mountain of the Wilberns limestone; collection 42-9w.9, 31.5 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 156293: authorized by Melanie Hopkins, entered by Shaun Mahmood on 16.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Olenida - Dokimokephalidae
"Deadwoodia duris" = Wuhuia, Kindbladia wichitaensis
"Deadwoodia duris" = Wuhuia trilobite
Kindbladia wichitaensis Resser 1942 trilobite
 Ptychopariida - Elviniidae
Elvinia roemeri trilobite
Irvingella sp. Ulrich and Resser 1924 trilobite
  - Nepeidae
Xenocheilos minutum Wilson 1949 trilobite