(also hypsilophodontid /ˌhɪpsəˌlɒfəˈdɒntɪd/)
A small bipedal herbivorous dinosaur of the late Jurassic and Cretaceous periods, adapted for swift running.
- Family Hypsilophodontidae, infraorder Ornithopoda, order Ornithischia.
- Other bones of plant-eating dinosaurs, such as hypsilophodontids, were uncovered from the same region of peninsular Antarctica.
- The Ornithopoda included the hadrosaurs, the iguanodontids, the heterodontosaurs, the hypsilophodontids, and various other dinosaurs.
- Almost half of the dinosaur fossils found in southeastern Australia are hypsilophodontids.
Late 19th century: from modern Latin Hypsilophodontidae, from Greek hupsilophos 'high-crested' + odous, odont- 'tooth'.
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