Where: Rio Arriba County, New Mexico (36.3° N, 106.5° W: paleocoordinates 11.3° N, 45.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Petrified Forest Formation (Chinle Group), Lacian to Lacian (221.5 - 212.0 Ma)

• early-mid Norian = Revueltian

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; pebbly, conglomeratic mudstone and wackestone

Size classes: macrofossils, mesofossils

Collected by S. Fowler, M. Snyder, A. Heckert, K. Ziegler in 1995-2001; reposited in the NMMNH

Collection methods: bulk, quarrying, mechanical, sieve,

Primary reference: A. B. Heckert, K. E. Zeigler, S. G. Lucas, L. F. Rinehart, and J. D. Harris. 2000. Preliminary description of coelophysoids (Dinosauria: Theropoda) from the Upper Triassic (Revueltian: early-mid Norian) Snyder Quarry, north-central New Mexico. In S. G. Lucas and A. B. Heckert (eds.), Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 17:27-32 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62311: authorized by Matt Carrano, entered by Matt Carrano on 18.07.2006, edited by Richard Butler