ammonites
banner
Gateway to the Paleobiology Database
Triceratops maximus Brown 1933 (ceratopsid)

Reptilia - Neornithischia - Ceratopsidae

PaleoDB taxon number: 56142

Full reference: B. Brown. 1933. A gigantic ceratopsian dinosaur, Triceratops maximus, new species. American Museum Novitates 649:1-9

Belongs to Ceratopsidae according to P. Dodson et al. 2004

Sister taxa: Agathaumas, Bison alticornis, Centrosaurinae, Ceratopsinae, Ceratopsipes, Chasmosaurinae, Monocloniinae, Pachyrhinosaurinae, Polyonax, Triceratops galeus, Triceratops ingens, Ugrosaurus, Proceratops

Type specimen: AMNH 5040, a set of vertebrae. Its type locality is spring on Rock Creek (AMNH), which is in a Maastrichtian terrestrial sandstone in the Hell Creek Formation of Montana.

Ecology: ground dwelling herbivore