NMMNH Loc. 55, Barranca badlands (Triassic of the United States)

Where: Quay County County, New Mexico (35.2° N, 103.5° W: paleocoordinates 10.1° N, 43.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bull Canyon Formation (Chinle Group), Norian (228.0 - 208.5 Ma)

• lower part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: alluvial fan; silty, conglomeratic mudstone and silty, conglomeratic sandstone

Size class: macrofossils

• NMMNH P-17346 is a Partial Skeleton of Cervical, Dorsal, Sacral, Caudal Vertebrae, Partial Ischia and Ilia, and partial premaxilla and maxilla fragments.

Reposited in the NMMNH

Collection methods: surface (float),

Primary reference: A. P. Hunt, J. A. Spielmann, and S. G. Lucas. 2006. A sphenosuchian (Archosauria, Crocodylomorpha) with a partial pelvis from the Upper Triassic Bull Canyon Formation (Norian: Revueltian), east-central, New Mexico. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, J. I. Kirkland (eds.), New Mexico Museum of Natural History and Science Bulletin 37:571-574 [M. Uhen/M. Hudgins/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 188759: authorized by Mark Uhen, entered by Michael Hudgins on 16.09.2017, edited by Matthew Carrano and Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

 Loricata -
Sphenosuchia indet. crocodilian
NMMNH P-17346, P-4120
 Phytosauria -
Phytosauria indet. Jaeger 1828 archosaur
partial tibia
 Phytosauria - Parasuchidae
"Pseudopalatus mccauleyi" = Machaeroprosopus mccauleyi
"Pseudopalatus mccauleyi" = Machaeroprosopus mccauleyi Ballew 1989 archosaur
NMMNH P-4256, skull and partial skeleton