Cerasinops was a small ceratopsian dinosaur. It lived during the Campanian of the late Cretaceous Period. Its fossils have been found in Two Medicine Formation, in Montana. The type species of the gen
Leptoceratopsidae is an extinct family of neoceratopsian dinosaurs from Asia, North America and possibly Europe. Leptoceratopsids resembled, and were closely related to, other neoceratopsians, such as