Also known as Machaeroprosopus gregorii holotype

Where: Apache County, Arizona (36.5° N, 109.6° W: paleocoordinates 12.1° N, 47.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Most localities in the Round Rock area are from the Blue Mesa Member (Parker 2005)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by C. Camp in 1927; 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: taxonomic analysis

PaleoDB collection 93362: authorized by Richard Butler, entered by Richard Butler on 15.01.2010

Creative Commons license: CC BY (attribution)