| − | '''Protoceratops''' was a species of [[Ornithischia]]. There are two species within the Protoceratops: the ''P. andrewsi'' and the ''P. hellenikorhinus''. The first Protoceratops was found in [[Mongolia]]. | + | '''Protoceratops''' was a species of [[Ornithischia]]. There are two species within the Protoceratops: the ''P. andrewsi'' and the ''P. hellenikorhinus''. The first Protoceratops was found in [[Mongolia]]. The most famous Protoceratops fossil involves one buried alive while fighting a Velociraptor; its beak was clamping down on one of its arms, and the predator's claws were hooked behind the frill. |