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喇嘛角龙属

喇嘛角龙属
化石时期:上白垩纪,坎帕阶
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: 鸟臀目 Ornithischia
科: 弱角龙科 Bagaceratopidae
属: 喇嘛角龙属 Lamaceratops
Aliafanov, 2003
模式种
圣徒喇嘛角龙
Lamaceratops tereschenkoi

Aliafanov, 2003

喇嘛角龙属学名Lamaceratops)是角龙亚目恐龙的一。牠们是植食性动物,具有头盾,类似弱角龙,但体型较小型。如同大部分的角龙亚目,喇嘛角龙的鼻部上有小型鼻角。喇嘛角龙的有效性仍有争议,甚至可能是弱角龙的变异个体

喇嘛角龙的化石是被发现在蒙古纳摩盖吐盆地的Khulsan地区,生存年代为上白垩纪模式种圣徒喇嘛角龙L. tereschenkoi),是在2003年由Vladimir Alifanov描述、命名的,属名意为“喇嘛的有角面孔”[1]

分类

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喇嘛角龙可能属于角龙亚目原角龙科,这是一群植食性恐龙,有类似鹦鹉的喙状嘴,主要生活于白垩纪北美洲亚洲。所有角龙亚目恐龙都在白垩纪末期灭绝

一些古生物学家认为喇嘛角龙属于弱角龙科(Bagaceratopidae),与弱角龙是近亲,甚至可能是弱角龙的变异个体;弱角龙科也生存于白垩纪晚期的北美洲与亚洲,具有喙状嘴[1]。J. Makovicky认为,喇嘛角龙、弱角龙的差异不多,有可能是相同动物。喇嘛角龙的化石被发现于纳摩盖吐盆地的Khulsan地区,而弱角龙的化石被发现于Khermeen Tsav。

食性

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如同其他角龙亚目恐龙,喇嘛角龙是植食性动物。在白垩纪时期,开花植物的地理范围有限,所以喇嘛角龙可能以当时最普遍的蕨类苏铁科松科为食物。牠们运用锋利的喙状嘴来咬断咬下树叶或针叶。

参考资料

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  1. ^ 1.0 1.1 Makovicky, Peter J.; and Norell, Mark A. Yamaceratops dorngobiensis, a new primitive ceratopsian (Dinosauria: Ornithischia) from the Cretaceous of Mongolia (PDF). American Museum Novitates. 2006, 3530: 1–42 [2009-12-17]. ISSN 0003-0082. doi:10.1206/0003-0082(2006)3530[1:YDANPC]2.0.CO;2. (原始内容 (pdf)存档于2008-07-25). 

外部链接

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喇嘛角龙属
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