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

Size class: macrofossils

Collection methods: Fossils collected from Baldy Mountain of the Wilberns limestone; collection 42-9w.8, 27 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 156292: authorized by Melanie Hopkins, entered by Shaun Mahmood on 16.05.2014

Creative Commons license: CC BY (attribution)