The discovery of a spaniel-size ceratopsian that walked on its two hind legs reveals that Late Jurassic horned dinosaurs were much more diverse than previously thought, a new study finds ...

It is similar in age to the oldest-known member of the "horned dinosaurs," Yinlong downsi, although both are hornless. The findings will be published in PLOS ONE on Dec. 9.

It is similar in age to the oldest-known member of the "horned dinosaurs," Yinlong downsi, although both are hornless. The findings will be published in PLOS ONE on Dec. 9.

The discovery of a spaniel-size ceratopsian that walked on its two hind legs reveals that Late Jurassic horned dinosaurs were much more diverse than previously thought, a new study finds. Researchers ...