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地质通报  2003 

贵州关岭三叠纪海龙类化石一新种

, PP. 274-277

Keywords: 贵州关岭晚三叠世小凹组海龙目新铺龙

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Abstract:

描述了采自贵州省关岭巴毛林小凹组的海龙类(新铺龙属)化石,并确定其为一新种―――Xinpusaurusbamao-linensissp.nov.。头骨和下颌骨受到背腹向挤压,且有少许错位。各骨块形状、接触关系等方面与孙氏新铺龙都极为相似,所以认为其与孙氏新铺龙同为新铺龙属。但又以其特长的吻部(吻长是头长之半)、外鼻孔由鼻骨和上领骨围成、较短的齿骨(占下颌长度的47.2%)和非常靠后的顶孔等为特点与Xinpusaurussuni相区别。

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