Carpenter, Kirkland & Bird 2001
Cedarpelta is an genus of basal ankylosaurid ankylosaur, based on material recovered from the Lower Cretaceous of North America. The skull lacks extensive cranial ornamentation, a trait which has been interpreted as plesiomorphic for ankylosaurs.
Carpenter, K., Kirkland, J. I., Birge, D., and Bird, J. 2001. Disarticulated Skull of a New Primitive ankylosaurid from the Lower Cretaceous of Utah. in Carpenter, K. (editor) 2001. The Armored Dinosaurs. Indiana University Press