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跛蜥屬

跛蜥属
化石时期:259–252 Ma
二疊紀
跛蜥化石
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 爬行綱 Reptilia
演化支 真爬行動物 Eureptilia
演化支 卢默龙类 Romeriida
亚纲: 双孔亚纲 Diapsida
演化支 新双弓类 Neodiapsida
属: 跛蜥属 Claudiosaurus
Carroll, 1981
模式種
跛蜥
Claudiosaurus germaini

Carroll, 1981

跛蜥屬(屬名:Claudiosaurus)是種已滅絕的雙孔類爬行動物,生存於二疊紀晚期的馬達加斯加

跛蜥是最早的新雙弓類物種之一,新雙弓類的範圍是大部分的雙孔亞綱,不包含原始的纖肢龍目。跛蜥的身長約60公分,有相當長的身體與頸部。跛蜥被推斷是半海生動物,方活方式類似現代的海鬣蜥。這個理論的主要原因是跛蜥身體有大量軟骨,並缺乏堅硬的骨頭,如果牠們生存在陸地上,會在支撐重量上產生問題。牠們的胸骨發展不良好,也妨礙牠們生存於陸地上。牠們可能將四肢緊靠身體,擺動身體與尾巴,以在水中推動前進[1]

參考資料

[编辑]
  1. ^ Palmer, D. (编). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. 1999: 72. ISBN 1-84028-152-9. 


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跛蜥屬
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