hypsilophodontid means An informal grouping of small ornithopod dinosaurs, regarded as fast, herbivorous bipeds on the order of 1–2 meters long (3.3-6.6 feet). Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- An informal grouping of small ornithopod dinosaurs, regarded as fast, herbivorous bipeds on the order of 1–2 meters long (3.3-6.6 feet).