Bibliografia Dodson, Peter; The Horned Dinosaurs (1996) Penkalski, P & Dodson, P (1999). "The morphology and systematics of Avaceratops, a primitive horned dinosaur from the Judith River Formation (Late Campanian) of Montana, with the description of a second skull.". Journal of Vertebrate Paleontology 19 (4): 692–711. Trexler D. & Sweeney F.G., 1995. Preliminary work on a recently discovered ceratopsian (Dinosauria: Ceratopsidae) bonebed from the Judith River Formation of Montana suggests the remains are of Ceratops montanus Marsh. J.Vert.Paleont. 15(3, Suppl.): 57A
Kategoria:Ceratopsy Kategoria:Dinozaury kredy Kategoria:Dinozaury Ameryki Północnej