Where: Apache County, Arizona (34.7° N, 109.6° W: paleocoordinates 10.3° N, 48.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Blue Mesa Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• Blue Mesa Member, approximately 10-20 metres above the contact with the underlying Mesa Redondo Member

•

•Kent et al. 2019: Kent et al. 2019: Blue Mesa member lies between magneto zones PF5r to PF8n (approximately 221.75–216.97Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; gray, blue mudstone and paleosol/pedogenic, nodular, white sandstone

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, surface (float), sieve,

• SMU: Southern Methodist University

Primary reference: M. J. Polcyn, D. A. Winkler, L. L. Jacobs and K. Newman. 2002. Fossil occurrences and structural disturbance in the Triassic Chinle Formation at North Stinking Springs Mountain near St. Johns, Arizona. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:43-49 [R. Butler/R. Butler]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 92850: authorized by Richard Butler, entered by Richard Butler on 02.12.2009, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)