Reptilia - Dinosauria - Ceratopsidae
Synonym: Chasmosaurus kaiseni Brown 1933 [nomen dubium]
Full reference: L. M. Lambe. 1915. On Eoceratops canadensis, gen. nov., with remarks on other genera of Cretaceous horned dinosaurs. Canada Geological Survey Museum Bulletin 12, Geological Series 24:1-49
Parent taxon: Ceratopsidae according to N. R. Longrich 2013
Sister taxa: Centrosaurinae, Ceratopsinae, Ceratopsipes, Monocloniinae, Pachyrhinosaurinae, Turanoceratops, Proceratops
Subtaxa: Agujaceratops, Anchiceratops, Arrhinoceratops, Chasmosaurus, Coahuilaceratops, Eotriceratops, Judiceratops, Medusaceratops, Mojoceratops, Ojoceratops, Pentaceratops, Tatankaceratops, Torosaurus, Triceratops, Triceratopsini, Vagaceratops, Xenoceratops
Ecology: ground dwelling herbivore