巴彦淖尔龙属

巴彦淖尔龙属
化石时期：阿普第阶，124 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： 恐龍總目 Dinosauria
目： †鸟臀目 Ornithischia
亚目： †鸟脚亚目 Ornithopoda
演化支： †禽龍類 Iguanodontia
演化支： †橡树龙形态类 Dryomorpha
演化支： †直拇指龍類 Ankylopollexia
演化支： †硬棘龍類 Styracosterna
属： †巴彦淖尔龙属 Bayannurosaurus
Xu et al., 2018
模式種
†完美巴彦淖尔龙
Bayannurosaurus perfectus
Xu et al., 2018

巴彦淖尔龙（属名：Bayannurosaurus）是一属非鸭嘴龙形类直姆指龙类鸟脚类恐龙，生存于阿普第阶早期的中国巴音戈壁组，由徐星等人于2018年正式命名，[1]属下仅含模式种完美巴彦淖尔龙（Bayannurosaurus perfectus）。系统发育分析显示巴彦淖尔龙较高刺龙更为衍生，较豪勇龙更为原始，正好处在鸭嘴龙形类之外。颅骨长80厘米，使其成为一种中型禽龙类。[1]相比之下，豪勇龙颅骨长67厘米，身长7至8.3米。虽然不精确，但如果将其作为比例尺使用，本属身长将为8.3至10米。属名取自化石发现地巴彦淖尔，种名意指正模标本保存状况完好。[1]

发现

2012年10月发现于内蒙古巴彦淖尔市，起初只发现了零星几块骨骼化石，后来一共清理出300多块化石，完整度达95%以上，是中国目前所发现的最完整的禽龙类化石。2018年4月被正式命名为“完美巴彦淖尔龙”。目前展出于内蒙古自然博物馆。

参见

参考资料

  1. ^ 1.0 1.1 1.2 Xu, Xing; Tan, Qingwei; Gao, Yilong; Bao, Zhiqiang; Yin, Zhigang; Guo, Bin; Wang, Junyou; Tan, Lin; Zhang, Yuguang; Xing, Hai. A large-sized basal ankylopollexian from East Asia, shedding light on early biogeographic history of Iguanodontia. Science Bulletin. 2018, 63 (9): 556–563. Bibcode:2018SciBu..63..556X. doi:10.1016/j.scib.2018.03.016 可免费查阅. 

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