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nodosauridae
Nodosauridae is a family of ankylosaurian dinosaurs, from the Late Jurassic to the Late Cretaceous Period of what are now North America, Europe, Asia, and Antarctica.
==Characteristics==
Diagnostic characteristics for the Nodosauridae include supraorbital boss rounded protuberance, occipital condyle derived from only the basioccipital, and ornamentation present on the premaxilla. There is a fourth ambiguous characteristic called the acromion, which is a knob-like process. All nodosaurids, like other ankylosaurs, may be described as medium-sized to large, heavily built quadrupedal herbivorous dinosaurs, possessing small denticulate teeth and parasagittal rows of osteoderms (a type of armour) on the dorsolateral surfaces of the body.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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