全部文献期刊会议图书|学者科研项目
中外文文献  中文文献  外文文献
作者:... CHENG Yennien , WANG Xiaolin , CHANG Chunhsiang
来源:[J].Acta Geologica Sinica ‐ English Edition(IF 1.568), 2003, Vol.77 (3), pp.294-298Wiley
摘要:Abstract Pygostyle was previously considered as a unique structure of ornithothoracine birds, used to maneuver tail feathers. A similar structure from an oviraptorosaurian dinosaur was considered functionally associated with the rectrices as in birds. We report a pygostyle‐l...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×