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南翼龙属

南翼龙属
化石时期:白垩纪前期, 105 Ma
Pterodaustro guinazui的重建图
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 蜥形纲 Sauropsida
目: 翼龙目 Pterosauria
科: 梳颌翼龙科 Ctenochasmatidae
亚科: 梳颌翼龙亚科 Ctenochasmatinae
属: 南翼龙属 Pterodaustro
Bonaparte, 1970
模式种
吉氏南翼龙
Pterodaustro guinazui

Bonaparte, 1970
骨骼重建图

南翼龙属属名Pterodaustro,意为“来自南方的翅膀”)又名南方翼龙南翅翼龙,是种生存于南美洲白垩纪翼龙类,生存于1亿500万年前。南翼龙翼展长达132公分,拥有大约1000颗长而狭窄的鬃毛形状牙齿,被推测以过滤方式捕食猎物,类似现代红鹤[1]牠嘴部里的鬃毛状结构可能用来过滤水中的甲壳动物浮游生物藻类、以及其他小型水中动物。牠可能在浅水中涉水而行过滤食物,类似红鹤,或飞行时可能掠过水面,用喙状嘴捞起食物。南翼龙一旦抓到食物,牠可能用牠上颌的小型球状牙齿将食物捣碎。

南翼龙的化石,位于巴黎自然历史博物馆

南翼龙的化石发现于阿根廷巴塔哥尼亚圣路易斯省的拉加尔西托组(Lagarcito Formation)地层和智利的圣安娜组(Santa Ana Formation)地层,年代都属于早白垩世阿尔布阶。南翼龙的属名是拉丁文 pteron de austro(南方之翼)的混成词,意指其发现地位于南半球,是由阿根廷古生物学家约瑟·波拿巴于1969年首次提出的,但直到隔年被正式发表之前都属于无效的裸名模式种吉氏南翼龙P. guinazui),种名来自20世纪的阿根廷地质学家罗曼·吉尼亚祖(Román Guiñazú)。

参考资料

[编辑]
  1. ^ Wellnhofer, Peter. The Illustrated Encyclopedia of Pterosaurs. New York: Barnes and Noble Books. 1996: 132 [1991]. ISBN 0-7607-0154-7. 
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南翼龙属
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