Santa Rosa area (Triassic of the United States)

Where: Guadaloupe County, New Mexico (34.9° N, 104.7° W: paleocoordinates 10.0° N, 44.1° W)

• coordinate stated in text

• local area-level geographic resolution

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

• PJW: Parker, Hungerbühler & Martz (2012: Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 103, 265–268) state: "most likely from the Bull Canyon Formation of New Mexico (Gregory 1972)."

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: M. G. Mehl. 1922. A new phytosaur from the Trias of Arizona. Journal of Geology 30(2):144-157 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 196536: authorized by Alex Dunhill, entered by Bethany Allen on 20.09.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria - Parasuchidae
Machaeroprosopus andersoni n. sp. Mehl 1922 archosaur
No. 396 Walker Museum Collections (now CFMNH 396), skull