Also known as Alexander Ranch

Where: Knox County, Texas (33.7° N, 99.9° W: paleocoordinates 2.7° N, 29.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Flowerpot Shale Member (San Angelo Formation), Kungurian to Kungurian (279.5 - 268.0 Ma)

• "Exposures in this locality are predominantly San Angelo with the Flower Pot preserved on some high erosion remnants." (Olson, 1962)

•The upper San Angelo Fm. and basal Flowerpot Fm. of Olson (1962) are widely identical to the Flowerpot Shale Member of the upper San Angelo Fm. (see Smith, 1974, University of Texas Bureau of Economic Geology, Report of Investigations No. 80)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; green, red, argillaceous, sandy shale and sandstone

Size class: macrofossils

Primary reference: E. C. Olson. 1962. Late Permian terrestrial vertebrates, U.S.A. and U.S.S.R. Transactions of the American Philosophical Society, New Series 52(2):1-224 [J. Mueller/J. Dummasch/T. Liebrecht] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80669: authorized by Johannes Mueller, entered by Jana Dummasch on 03.05.2008, edited by Torsten Liebrecht