Cowboy (UCMP A257, PFV 154) (Triassic of the United States)

Also known as PV154

Where: Apache County, Arizona (34.9° N, 109.8° W: paleocoordinates 10.6° N, 48.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• "Upper Petrified Forest Formation" according to Long & Murry (1995), but listed as medial Sonsela Member by Irmis (2005)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by UCMP in 1926, 1981; reposited in the UCMP

Primary reference: R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254 [M. Carrano/M. Carrano/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 93433: authorized by Richard Butler, entered by Richard Butler on 19.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria - Parasuchidae
"Pseudopalatinae indet." = Mystriosuchini, Leptosuchus sp.
"Pseudopalatinae indet." = Mystriosuchini Huene 1915 archosaur
UCMP, two scutes, left squamosal
Leptosuchus sp. Case 1922 archosaur
UCMP 27149, large skull