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简述大型兽脚类恐龙的牙齿 被引量:1

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摘要 恐龙是中生代最庞大的生物群,其中兽脚类恐龙种类繁多,化石数量发现的较少,但是其中的牙齿化石相对较多。由于带齿根的牙齿多与齿骨一同保存,很少有单独发现的牙齿,因此单个牙齿的研究并不多见。研究牙齿化石不仅可以对恐龙进行系统分类,而且对恢复古环境、古气候也有重要的意义。我们今天简单介绍几种大型兽脚类恐龙牙齿:阿贝力龙类,棘龙类,异特龙类和暴龙类牙齿的一般特征。
作者 谢飞
出处 《科技资讯》 2014年第36期217-217,共1页 Science & Technology Information
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