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双子盗龙属

双子盗龙属
化石时期:早白垩纪, 130 Ma
不同角度的正模标本
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 蜥形纲 Sauropsida
总目: 恐龙总目 Dinosauria
目: 蜥臀目 Saurischia
亚目: 兽脚亚目 Theropoda
科: 伤齿龙科 Troodontidae
属: 双子盗龙属 Geminiraptor
Senter et al., 2010
模式种
苏氏双子盗龙
Geminiraptor suarezarum

Senter et al., 2010
数种近鸟类的上颌比较图,从上到下为:始祖鸟伶盗龙中国猎龙曲鼻龙、双子盗龙、蜥鸟龙扎纳巴扎尔龙

双子盗龙属学名Geminiraptor)是兽脚亚目伤齿龙科恐龙的一属,生存于白垩纪早期的北美洲

正模标本(编号CEUM 7319)是一个头颅骨的上颌,是由双胞胎古生物学家Celina Suarez、Marina Suarez发现于美国犹他州雪松山组(Cedar Mountain Formation)黄猫段,地质年代可能约1亿3000万年前,地质年代大约相当于贝里亚阶早期[1]

在2010年,菲力·森特(Phil Senter)、詹姆士·柯克兰(James Kirkland)等人将这些化石进行叙述、命名,模式种苏氏双子盗龙G. suarezarum)。属名在拉丁文意为“双子的盗贼”,种名则是以发现化石的Suarez兄弟为名[1]

根据其上颌骨头,可知双子盗龙的体型类似其他白垩纪早期的伤齿龙科,例如伤齿龙。由于可鉴定特征少,目前无法确定双子盗龙在伤齿龙科的详细演化位置,只能确定牠们是拜伦龙曲鼻龙的近亲[1]

参考资料

  1. ^ 1.0 1.1 1.2 Phil Senter, James I. Kirkland, John Bird, Jeff A. Bartlett. A New Troodontid Theropod Dinosaur from the Lower Cretaceous of Utah. PLoS ONE. 2010, 5 (12): e14329 [2012-06-19]. PMC 3002269可免费查阅. PMID 21179513. doi:10.1371/journal.pone.0014329. (原始内容存档于2014-03-18). 


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双子盗龙属
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