Where: Baylor County, Texas (33.7° N, 99.4° W: paleocoordinates 2.3° N, 28.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Vale Formation (Clear Fork Group), Kungurian (279.3 - 272.3 Ma)

• "Lower Part of Vale formation"

•the base and top of the Clear Fork Group (i.e., Arroyo, Vale, and Choza formations) are both within the Kungurian: see Wardlaw 2005 (Permophiles) for the base, and DiMichele et al. 2001 (J Paleont) for the top

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by E. C. Olson

Primary reference: E. C. Olson. 1956. Fauna of the Vale and Choza: 13. Diadectes, Xenacanthus, and specimens of uncertain affinities. Fieldiana: Geology 10(27):329-334 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85556: authorized by Johannes Mueller, entered by Torsten Liebrecht on 08.01.2009

Creative Commons license: CC BY (attribution)