from The Century Dictionary.
- noun One of the Hypsilophodontidæ.
- Of or pertaining to the Hypsilophodontidæ.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An informal grouping of small
ornithopod dinosaurs, regarded as fast, herbivorous bipedson the order of 1–2 meters long (3.3-6.6 feet).
from Wiktionary, Creative Commons Attribution/Share-Alike License
In fact, the name 'hypsilophodontid' means 'high-ridge tooth,' which refers to the characteristic self-sharpening teeth of these animals.
At some point, Leaellynasaura, a Lower Cretaceous hypsilophodontid from Victoria, Australia, was described as a carnivore when it, like all hypsilophodontids, is actually an herbivore.