protoceratops
/ˌprəʊtəʊˈserətɒps/noun
1- a small quadrupedal dinosaur of the late Cretaceous period, having a bony frill above the neck and probably ancestral to triceratops. The remains of many individuals and their eggs have been found in Mongolia.原角龙。
1.1
- Genus Protoceratops,infraorder Ceratopsia, order Ornithischia.原角龙属, 角龙下目, 鸟臀目。