Where: Baylor County, Texas (33.6° N, 99.3° W: paleocoordinates 2.2° N, 28.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Lower part of the Vale Formation, about 100 feet above base. Lower Permian (Leonardian). 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

• bed-level stratigraphic resolution

Environment/lithology: dry floodplain; sandstone and siltstone

Size class: macrofossils

Primary reference: E. C. Olson. 1958. Fauna of the Vale and Choza: Summary, Review, and Integration of the Geology and the Faunas. Fieldiana Geology 10(32):397-448 [R. Butler/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177019: authorized by Richard Butler, entered by Emma Dunne on 16.03.2016

Creative Commons license: CC BY (attribution)