重生霸王龙虎速更新,正文 001 霸王龙(凑字数)... ... 纲:蜥形纲Sauropsida 总目:恐龙总目Dinosauria 目:蜥臀目Saurischia ...
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This paper summarized the identification characteristics and evolutionary trends of thisgroup. And , summarized the teeth characteristics of basal groups in Dinosauria.
本文综述了兽脚类恐龙主要类群的鉴别特征及其演化趋势,总结了恐龙基本类群的牙齿鉴定特征和兽脚类恐龙牙齿研究的现状与发展。
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·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
Today, most researchers agree that birds are, indeed, a branch of the Dinosauria.
今天,多数研究人员都一致同意鸟类的确是恐龙的分支物种。
Now, taxonomists argue that since birds are descended from dinosaurs they should be classified merely as a subgroup of the Dinosauria.
现在,分类学家认为,既然已经发现鸟类是恐龙的后代,那么它们应当被划分为仅仅是恐龙的一个子群。
If a baby chicken's leg bones were enlarged and fossilized, he noted, "there would be nothing in their characters to prevent us from referring them to the Dinosauria."
他写道,如果一只幼鸟的腿骨被放大且成为化石,“那么在我们看来,它与恐龙的腿骨之间根本不存在特性差异。”
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