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切齿鱼龙属

切齿鱼龙属
化石时期:早侏罗世
三角齿切齿鱼龙的骨架模型,斯图加特自然史博物馆
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 爬行纲 Reptilia
目: 鱼龙目 Ichthyosauria
科: 泰曼鱼龙科 Temnodontosauridae
属: 切齿鱼龙属 Temnodontosaurus
Lydekker, 1889
Species

板齿切齿鱼龙 T. platyodon
宽首切齿鱼龙 T. eurycephalus
诺特林根切齿鱼龙 T. nuertingensis
三角齿切齿鱼龙 T. trigonodon
尖吻切齿鱼龙 T. acutirostris
阿泽尔格切齿鱼龙T. azerguensis Martin et al., 2012

切齿鱼龙属(属名:Temnodontosaurus)又译泰曼鱼龙离片齿龙,是种已灭绝鱼龙类化石英国德国被发现,生存年代为侏罗纪海塔其阶托阿尔阶。切齿鱼龙是种大型鱼龙类,身长超过12[1]。泰曼鱼龙是切齿鱼龙科的唯一有效属[2]

词源学

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切齿鱼龙属的属名来自希腊语,Temno,意为“切割”, odont意为“牙齿”和后缀sauros意为“蜥蜴”,即“具备切割功能牙齿的蜥蜴(鱼龙)”。模式种板齿切齿鱼龙的种名platyodon意为“板状的牙齿”[3]

古生物学

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切齿鱼龙的眼睛直径接近20公分,使牠们成为已知脊椎动物中眼睛最大的一种。这些大型鱼龙类生活于深海地区,猎捕巨大的菊石乌贼

图片

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参考资料

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  1. ^ Maisch MW, Matzke AT. 2000. The Ichthyosauria. Stuttgarter Beiträge zur Naturkunde Serie B (Geologie und Paläontologie) 298: 1-159
  2. ^ HIERARCHICAL TAXONOMY OF THE CLASS EODIAPSIDA页面存档备份,存于互联网档案馆). Retrieved January 16, 2009.
  3. ^ McGowan C. (1996). "Giant ichthyosaurs of the Early Jurassic". Canadian Journal of Earth Sciences 33(7): 1011-1021
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切齿鱼龙属
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