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永生龍

永生龍属
化石时期:阿普第阶
永生龍生存於白堊紀早期的澳洲
无效状况
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 爬行綱 Reptilia
目: 蛇頸龍目 Plesiosauria
科: 长锁龙科 Leptocleididae
属: 永生龙属 Umoonasaurus
Kear, Schroeder & Lee, 2006 [1]
  • 永生龍 U. demoscyllus
    Kear, Schroeder & Lee, 2006

永生龍(屬名:Umoonasaurus)是蛇頸龍亞目的一屬[2],屬於長鎖龍科[3],是種水生爬行動物,生存於1億1500萬年前(阿普第階/阿爾比階)的澳洲淺海。不像其他菱龍科動物,永生龍是種小型動物,身長約2.5公尺。永生龍的一個可辨認特徵是頭顱骨有三個稜脊[1]

永生龍的化石是一個相當完整的身體骨骼,發現於南澳大利亞州,之後經過雪梨澳洲博物館處理化石、清理母岩。

參考資料

[编辑]
  1. ^ 1.0 1.1 Kear BP, Schroeder NI, Lee MSY. 2006. An archaic crested plesiosaur in opal from the Lower Cretaceous high-latitude deposits of Australia 互联网档案馆存檔,存档日期2010-12-04.. Biology Letters 2: 615–619.
  2. ^ 引用错误:没有为名为Ketchum2010的参考文献提供内容
  3. ^ Smith AS, Dyke GJ. 2008. The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: implications for plesiosaur phylogenetics. Naturwissenschaften e-published 2008.

外部連結

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永生龍
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