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'Hypsilophodontidae' can also refer to...


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Family of bipedal (ornithopod), ornithischian dinosaurs, ranging from the Upper Triassic to the Upper Cretaceous. Hypsilophodon itself, from the Wealden of the Lower Cretaceous, is the most primitive of the ornithopod dinosaurs known to date, despite its relatively late appearance in the Mesozoic fossil record.

Subjects: Zoology and Animal Sciences — Earth Sciences and Geography.

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