生物分类表

?蜥臀目 Saurischia

†艾雷拉龙类 Herrerasauria

†蜥脚形亚目 Sauropodomorpha

兽脚亚目 Theropoda

†鸟臀目 Ornithischia

装甲类 Thyreophora

甲龙亚目 Ankylosauria

剑龙亚目 Stegosauria

角足龙类 Cerapoda

鸟脚亚目 Ornithopoda

头饰龙类 Marginocephalia

角龙亚目 Ceratopsia
厚头龙亚目 Pachycephalosauria

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