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肿肋龙亚目

肿肋龙亚目
化石时期:248–235 Ma
三叠纪
贵州龙
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 爬行纲 Reptilia
目: 幻龙目 Nothosauroidea
亚目: 肿肋龙亚目 Pachypleurosauria
Nopcsa,1928
科和

见正文

肿肋龙亚目(Pachypleurosauria)是种原始的鳍龙超目爬行动物,外表稍微地类似水生蜥蜴,只生存于三叠纪。牠们的体型修长,体型从20公分到1米长,并拥有小头部、长颈部、鳍状肢、长尾巴。牠们的肢带(Limb Girdles)缩小许多,所以这群动物不太可能移动到陆地上。牠们的颌部前部布满钉状牙齿,显示这群动物以鱼类为生。

爱氏肿肋龙

肿肋龙亚目被归类于幻龙目。在有些亲缘分支分类法里,肿肋龙类被认为是真鳍龙类的姐妹分类单元,真鳍龙类演化支包括幻龙类与蛇颈龙类

下属分类

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本科包括以下属:

  • ?†滇东龙属 Diandongosaurus
  • ?†汉江蜥属 Hanosaurus
  • ?†马家山龙属英语Majiashanosaurus Majiashanosaurus
  • †普罗桑托龙属 Prosantosaurus
  • ?†黔西龙属英语Qianxisaurus Qianxisaurus
  • ?†红河龙属 Honghesaurus
  • ?† 乌蒙龙属 Wumengosaurus Jiang, Rieppel, Motani, Hao, Sun, Schmitz & Sun, 2008
    • 细颌乌蒙龙 Wumengosaurus delicatomandibularis Jiang,  Rieppel, Motani, Hao, Sun, Schmitz & Sun, 2008
  • 贵州龙科 Keichousauridae[1]
  • 肿肋龙科 Pachypleurosauridae[2]

参考资料

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  1. ^ Jun Liu, Olivier Rieppel, Da-Yong Jiang, Jonathan C. Aitchison, Ryosuke Motani, Qi-Yue Zhang, Chang-Yong Zhou and Yuan-Yuan Sun. A new pachypleurosaur (Reptilia: Sauropterygia) from the lower Middle Triassic of southwestern China and the phylogenetic relationships of Chinese pachypleurosaurs. Journal of Vertebrate Paleontology. 2011, 31 (2): 292–302. doi:10.1080/02724634.2011.550363. 
  2. ^ Renesto, S.; Binelli, G.; Hagdorn, H. A new pachypleurosaur from the Middle Triassic Besano Formation of Northern Italy. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 2014, 271 (2): 151. doi:10.1127/0077-7749/2014/0382. 

参考文献

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  • Michael J. Bemton (2004), Vertebrate Paleontology, 3rd ed. Blackwell Science Ltd classification
  • Robert L. Carroll (1988), Vertebrate Paleontology and Evolution, WH Freeman & Co.
  • Oliver Rieppel, (2000), Sauropterygia I, placodontia, pachypleurosauria, nothosauroidea, pistosauroidea: In: Handbuch der Palaoherpetologie, part 12A, 134pp. Verlag Dr. Friedrich Pfeil Table of contents页面存档备份,存于互联网档案馆

外部链接

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肿肋龙亚目
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