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哈萨克赖氏龙属

哈萨克赖氏龙属
化石时期:白垩纪晚期,86.3–83.6 Ma
复原图
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
亚目: 鸟脚亚目 Ornithopoda
科: 鸭嘴龙科 Hadrosauridae
亚科: 赖氏龙亚科 Lambeosaurinae
属: 哈萨克赖氏龙属 Kazaklambia
Bell & Brink, 2013
模式种
说服哈萨克赖氏龙
Kazaklambia convincens

异名
  • 说服冠龙
    Corythosaurus convincens (Rozhdestvensky, 1968)
  • 说服原鹅龙
    Procheneosaurus convincens (Rozhdestvensky, 1968)

哈萨克赖氏龙属名Kazaklambia)是一赖氏龙亚科恐龙,来自白垩纪晚期哈萨克南部的达布拉津组英语Dabrazhin Formation桑托阶)。属下包含单一物种:模式种说服哈萨克赖氏龙Kazaklambia convincens)。[1]

研究历史

哈萨克赖氏龙最初于1968年由阿纳托利·罗特杰斯特文斯基叙述为原鹅龙的一个种:说服原鹅龙(Procheneosaurus convincens)。种名象征着其标本是苏联境内发现最完整的恐龙化石,成功的“说服”了在“恐龙地层”(dinosaur horizon)可以发现恐龙的事实。[2]后来曾被归入说服冠龙Corythosaurus convincens)一段时间,后来到了2013年菲尔·贝尔(Phil R. Bell)和克里斯汀·布林克(Kirstin S. Brink)将牠独立建为新属。新的属名意为“哈萨克的赖氏龙亚科”,意指其发现地和分类群。[1]正模标本PIN 2230是一个几乎完整的青少年个体骨骼,仅缺少吻部、下颌前部、一些背椎和尾部末端,由G.A. Belenkiy发现于1963年。[3]虽然有一些研究认为牠是咸海牙克煞龙Jaxartosaurus aralensis)的异名[4],其他研究则认为牠自成一个有效的属[5]

叙述

贝尔和布林克(2013)指出哈萨克赖氏龙在以下形态上独特于其他同成长阶段的欧亚赖氏龙亚科青少年体:眶后骨的前额突额叶由侧至前增厚、眼眶上方和前方的鼻腔隆起、额骨长宽比小于1。[1]

分类

贝尔和布林克(2013)将哈萨克赖氏龙置于赖氏龙亚科的基础位置,形态计量学和形态学资讯表示牠可能与亚洲的基础赖氏龙亚科阿穆尔龙青岛龙有密切关联,牠们被证明是赖氏龙亚科的亚洲起源。[1]

参考资料

  1. ^ 1.0 1.1 1.2 1.3 Bell, P. R.; Brink, K. S. Kazaklambia convincens comb. nov., a primitive juvenile lambeosaurine from the Santonian of Kazakhstan. Cretaceous Research. 2013. doi:10.1016/j.cretres.2013.05.003. 
  2. ^ Rozhdestvensky, A.K. Hadrosaurs of Kazakhstan. Tatarinov L.P.; et al (编). Upper Paleozoic and Mesozoic Amphibians and Reptiles. Moscow: Akademia Nauk SSSR. 1968: 97–141 (俄语). 
  3. ^ G.A. Belen’kiy, “Geological structure of the Tashkent area Chule,” Tashkent Gos. Univ., New Series, No. 181, pp. 1-181, 1961
  4. ^ Horner, John R.; Weishampel, David B.; Forster, Catherine A. Hadrosauridae. Weishampel, David B.; Dodson, Peter; Osmólska Halszka (编). The Dinosauria 2nd. Berkeley: University of California Press. 2004: 438–463. ISBN 0-520-24209-2. 
  5. ^ Norman, David B.; Sues, Hans-Dieter. Ornithopods from Kazakhstan, Mongolia and Siberia. Benton, Michael J.; Shishkin, Mikhail A.; Unwin, David M.; Kurochkin, Evgenii N. (编). The Age of Dinosaurs in Russia and Mongolia. Cambridge: Cambridge University Press. 2000: 462–479. ISBN 0-521-55476-4. 
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哈萨克赖氏龙属
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