†Agathaumas Cope 1872 (ceratopsid)
Reptilia - Neornithischia - Ceratopsidae
PaleoDB taxon number: 53038
Full reference: E. D. Cope. 1872. On the existence of Dinosauria in the transition beds of Wyoming. Proceedings of the American Philosophical Society (separate) 1-2
Parent taxon: Ceratopsidae according to P. Dodson et al. 2004
Sister taxa: Bison alticornis, Centrosaurinae, Ceratopsinae, Ceratopsipes, Chasmosaurinae, Monocloniinae, Pachyrhinosaurinae, Polyonax, Triceratops galeus, Triceratops ingens, Triceratops maximus, Ugrosaurus, Proceratops
Subtaxa: Agathaumas sylvestris
Ecology: ground dwelling herbivore