Description
Ctenacodon brentbaatar
Late Jurassic (Tithonian)
Morrison Formation
Bone Cabin Quarry, Albany County
Wyoming, USA.
An exceptionally rare fossil tooth of Ctenacodon brentbaatar, a small multituberculate mammal from the Late Jurassic Morrison Formation of Wyoming. Multituberculates were among the earliest successful groups of mammals, surviving for more than 100 million years
Ultra-rare 1mm Jurassic multituberculate m1
