The new species belongs to a group of dinosaurs called the Ornithischia.
这一新物种属于鸟龙类。
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Yet the split between Ornithischia and Saurischia goes back to the very beginning of the dinosaurs, 80m years before the first birds and about 100m years before T. confuciusi.
Dinosaur, any of various extinct, often gigantic, carnivorous or herbivorous reptiles of the orders saurischia and ornithischia that were chiefly terrestrial and existed during the Mesozoic era.