5 miles east of Tanners Crossing (Triassic of the United States)

Also known as Metoposaurus fraasi holotype, near Ward's Bone Bed

Where: Coconino County, Arizona (35.9° N, 111.3° W: paleocoordinates 11.7° N, 49.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by B. Brown & L. Ward in 1901; reposited in the USNM

Primary reference: F. A. Lucas. 1904. A new batrachian and a new reptile from the Trias of Arizona. Proceedings of the United States National Museum 27:193-195 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93542: authorized by Richard Butler, entered by Richard Butler on 22.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Temnospondyli - Metoposauridae
Metoposaurus fraasi n. sp. Lucas 1904 tetrapod
USNM 2152, interclavicle