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棘刺灰人龙属

棘刺灰人龙属
化石时期:晚白垩世83.6 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: 棘刺灰人龙属 Acantholipan
Rivera-Sylva et al., 2018
模式种
冈氏棘刺灰人龙
Acantholipan gonzalezi

Rivera-Sylva et al. 2018

棘刺灰人龙属名Acantholipan)是植食性结节龙科恐龙的一个,生存于白垩纪晚期(桑托阶)的墨西哥模式种冈氏棘刺灰人龙Acantholipan gonzalezi)。[1]

发现与命名

墨西哥北部发现了一些结节龙科的化石碎片。部分骨骼出土于科阿韦拉州米格尔(San Miguel, Coahuila)附近的罗斯普里莫斯(Los Primos)并在2011得到叙述。当Rivera-Sylva和同僚报告化石的发现时,他们一致认为这些骨骼过于零散而无法命名。[2]后来,遗骸被判断出有足够特征以命名为一个新属。

2018年,模式种冈氏棘刺灰人龙(Acantholipan gonzalezi)由Héctor Eduardo Rivera-Sylva、Eberhard Frey、Wolfgang Stinnesbeck、Gerardo Carbot-Chanona、Iván Erick Sanchez-Uribe和José Rubén Guzmán-Gutiárrez等人正式命名。属名取自希腊语akanthos(“棘刺”)和西班牙语lipan(“灰人部落”,即当地阿帕切人部落Lépai-Ndé的别称),种名纪念墨西哥古生物学家萨尔蒂约沙漠博物馆(Museo del Desierto)主席Arturo Homero González-González。本属是墨西哥第一条被命名的结节龙科。[1]

正模标本CPC 272发现于钢笔组英语Pen Formation的一个海相层中,化石时期为桑托阶。标本由缺少头骨的部分骨骼组成,包括一节背椎、一节尾椎、一截肋骨、左肱骨下段、左尺骨上段、左股骨下段和可能来自胸腔后部的刺状皮内成骨[2]现保存于萨尔蒂约沙漠博物馆的科阿韦拉古生物收藏(Colección Paleontológica de Coahuila, Museo del Desierto, Saltillo)中[1]

参见

参考资料

  1. ^ 1.0 1.1 1.2 Rivera-Sylva, H.E.; Frey, E.; Stinnesbeck, W.; Carbot-Chanona, G.; Sanchez-Uribe, I.E.; Guzmán-Gutiérrez, J.R. Paleodiversity of Late Cretaceous Ankylosauria from Mexico and their phylogenetic significance. Swiss Journal of Palaeontology. 2018, 137 (1): 83–93. ISSN 1664-2376. doi:10.1007/s13358-018-0153-1. 
  2. ^ 2.0 2.1 Rivera-Sylva, H.E.; Carpenter, K.; Aranda-Manteca, F.J. Late Cretaceous Nodosaurids (Ankylosauria: Ornithischia) from Mexico (PDF). Revista Mexicana de Ciencias Geológicas (Querétaro, Mexico: Universidad Nacional Autónoma de Mexico). 2011, 28 (3): 371–378 [2021-06-14]. (原始内容存档 (PDF)于2021-06-14). 
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棘刺灰人龙属
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