Classification: Dinosauria, Ornithischia, Genasauria, Neornithischia, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsoidea, Ceratopsidae, Centrosaurinae, Centrosaurini
Spinops is a close relative of Centrosaurus, and was indeed, very similar to it in appearance and general morphology. It is only known from parts of the skull, which include small portions of the frill and the entirety of the nose horn. These skull portions are known from a few individuals, but, given it lived in the same general environment as Styracosaurus and Centrosaurus, it probably wasn’t nearly as common, due to the lack of remains known. It is uncertain where exactly it comes from, but it was found in either the Oldman Formation or the Dinosaur Park Formation, and it lived in the Campanian age of the Late Cretaceous, approximately 76.5 million years ago, and thus, was also from southern Canada. If from Dinosaur Park, it would have lived alongside Chasmosaurus, Mercuriceratops, Scolosaurus, Euoplocephalus, Edmontonia, Dyoplosaurus, Corythosaurus, Gryposaurus, Parasaurolophus, Hanssuesia, and Gorgosaurus. If from the Oldman Formation, it would have lived alongside Albertadromeus, Brachylophosaurus, Chasmosaurus, Coronosaurus, Corythosaurus, Parasaurolophus, Scolosaurus, and Daspletosaurus.