Two New Horned Dinos Discovered in Museum Collections
A fossilist study museum fossils has pick up two new species of horned dinosaurs that had been block for the past 75 class . Ceratopsianswere a radical of mostly beaked and horn dinosaurs with bony frills , and include the adorable raven - sizedAquilops americanus , Mercuriceratops geminiwith annexe - influence headgear , and of courseTriceratops . This group first showed up around 140 million years ago in the Cretaceous and were among the last of the ( non - avian ) dinosaurs ....