Where: Arizona (35.1° N, 109.8° W: paleocoordinates 10.7° N, 48.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• middle part of member (equals Painted Desert Member of Lucas 1993), approx. 25 m below Black Forest Bed. Multiple lines of evidence indicate a Norian (Revueltian) age, including a radiometrically dated tuff (dated at 209Ma), the Black Forest Bed, which lies 25 m above the quarry.

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; paleosol/pedogenic, blue mudstone

Size class: macrofossils

Collected by Parker

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

• PEFO: Petrified Forest National Park

Primary reference: W. G. Parker, R. B. Irmis, S. J. Nesbitt, J. W. Martz, and L. S. Browne. 2005. The Late Triassic pseudosuchian Revueltosaurus callenderi and its implications for the diversity of early ornithischian dinosaurs. Proceedings of the Royal Society B 272:963-969 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53513: authorized by Matthew Carrano, entered by Matthew Carrano on 10.09.2005, edited by Richard Butler

Creative Commons license: CC BY (attribution)