Theropoda a兽脚亚目
Theropoda dinosaurs兽脚恐龙
suborder theropoda marsh兽脚亚目
Theropoda is one of the main groups in dinosaurs. The number of their fossils is small,but they were very diverse.
兽脚类是恐龙当中的主要代表类群之一,其化石保存数量少,分异度大,一直是古生物学家研究的热点和难点之一。
参考来源 - 吉林公主岭早白垩世泉头组中的兽脚类恐龙牙齿化石