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匈牙利龙属

匈牙利龙属
化石时期:上白垩纪85 Ma
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: 结节龙科 Nodosauridae
属: 匈牙利龙属 Hungarosaurus
Ösi, 2005
模式种
托氏匈牙利龙
Hungarosaurus tormai

Ösi, 2005

匈牙利龙属(属名:Hungarosaurus)是甲龙亚目结节龙科的一属,化石发现于匈牙利西部包科尼山脉的Csehbánya组,地质年代为上白垩纪桑托阶。匈牙利龙是研究最为完全的白垩纪欧洲甲龙类。亲缘分支分类法研究显示匈牙利龙是结节龙科的基础物种,但较同为欧洲甲龙类的厚甲龙衍化,比北美洲甲龙类原始,例如林木龙蜥结龙、以及爪爪龙。匈牙利龙的身长估计为约4米,头颅骨长度估计为32到36公分。如同所有结节龙科,匈牙利龙是草食性恐龙。自从19世纪开始,欧洲各地已经发现许多甲龙类化石,例如英格兰奥地利罗马尼亚西部、法国、以及西班牙北部。

正模标本

目前已经发现4个匈牙利龙的标本,都发现于匈牙利西部维斯普雷姆州Iharkút村附近的露天铁铝氧石矿坑,位于包科尼山脉附近。这个采石场属于Csehbánya组(位于同样为白垩纪的Halimba组之上),是泛滥平原与河相沉积层,包含大量砂质粘土层与沙岩层。匈牙利龙的正模标本(编号MTM Gyn/404)由450个骨头所构成,包含前上颌骨、左额前骨、左泪骨、右眶后骨颧骨、以及方颧骨、左额骨、翼状骨、犛骨、右方骨、左方骨碎片、基枕骨、舌骨、一个不完整的右下颌、3节颈椎、6节背椎、10节尾椎、骨化肌腱碎片、3条颈部肋骨、13条背部肋骨、5个人字骨、左肩胛鸟喙骨、右肩胛骨、部分右掌骨、部分骨盆、以及超过100个皮内成骨(Osteoderms)。

相关脊椎化石

在Csehbánya组所发现的化石除了匈牙利龙以外,还包含硬骨鱼乌龟蜥蜴鳄鱼翼龙类、类似驰龙科兽脚亚目、以及类似凹齿龙鸟脚下目牙齿。

参考资料

  • Ösi, Attila. 2005. Hungarosaurus tormai, a new ankylosaur (Dinosauria) from the Upper Cretaceous of Hungary. Journal of Vertebrate Paleontology 25(2):370-383, June 2005.[1]

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匈牙利龙属
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