NMMNH L-3315 (Triassic of the United States)

Where: McKinley County, New Mexico (35.5° N, 108.6° W: paleocoordinates 10.9° N, 47.2° W)

• coordinate estimated from map

• 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 Member of the Chinle Formation. Bottom of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

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 75652: authorized by Matthew Carrano, entered by Matthew Carrano on 24.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Metoposauridae
Metoposauridae indet. Watson 1919 tetrapod
NMMN P-18365, numerous skull fragments
Reptilia
 Phytosauria -
"Parasuchia indet." = Phytosauria
"Parasuchia indet." = Phytosauria Jaeger 1828 phytosaur
NMMN P-18366, neural spine