• word of the day

    ornithischia

    ornithischia - Dictionary definition and meaning for word ornithischia

    Definition
    (noun) extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
    Synonyms : order ornithischia
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