hypsilophodontid
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English[edit]
Etymology[edit]
Named after the Hypsilophus genus of iguana lizard
Noun[edit]
hypsilophodontid (plural hypsilophodontids)
- 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).