Late Triassic

Bull Canyon Formation

Guadalupe County, New Mexico, USA

Excellent 0.2 inch tooth.

Amphibian.

Apachesaurus is a genus of temnospondyl amphibian known from the Late Triassic of Arizona, New Mexico, and Texas.  The genus is assigned to the Family Metoposauridae, aka the metoposaurs.  Their rather flat skulls bear intricate ornamentation (pits, ridges, and grooves) on the dorsal surfaces.  These animals are found in lake and river deposits and likely fed on fishes and other animals they could swallow whole.  They died out in the mass extinction at the end of the Triassic.