1、The oldest known horned dinosaur in North America is called Zuniceratops.
2、I was looking at the snout of a Pachyrhinosaurus, a particularly odd horned dinosaur, a rare relative of Triceratops.
3、genus of herbivorous horned dinosaurs.
4、It was sort of the grandfather or great-uncle of the really diverse horned dinosaurs that came after it.
5、extinct terrestrial reptiles having birdlike pelvises: armored dinosaurs (thyreophorans); bone-headed and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods).
6、Any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls; of the late cretaceous in North America and Mongolia.
