Aetosaur Osteoderm (Scute) #02 - Bull Canyon fm, Triassic reptile fossil Aetosaur Osteoderm (Scute) #02 - Bull Canyon fm, Triassic reptile fossil £21.99 Description A nice, spiked Aetosaur Osteoderm (armour plate). Some great detail. Comes labelled and stored in an acrylic case with padding. ConditionGood Size50mm &nb...sp;Age205 million years LocationQuay County, New Mexico, Bull Canyon Formation Powered by Create Ecommerce