NMMNH L-1500 (Triassic of the United States)

Where: McKinley County, New Mexico (35.4° N, 108.5° W: paleocoordinates 10.9° N, 47.1° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• Adamanian LVF; radiometric dates suggest that the Chinle is entirely Norian in age. Also known as the Blue Mesa Creek Member of the Chinle Formation. Lowermost part of member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Collected by A. P. Hunt & S. G. Lucas; reposited in the NMMNH

Primary reference: A. B. Heckert. 1997. The tetrapod fauna of the Upper Triassic lower Chinle Group (Adamanian: latest Carnian) of the Zuni Mountains, west-central New Mexico. In S. G. Lucas, J. W. Estep, T. E. Williamson, & G. S. Morgan (eds.), New Mexico's Fossil Record 1. New Mexico Museum of Natural History and Science Bulletin 11:29-39 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 75656: authorized by Matthew Carrano, entered by Matthew Carrano on 24.10.2007, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Loricata - Rauisuchidae
Rauisuchidae indet. rauisuchid
NMMNH P-22468, caudal vertebra