搜索结果: 1-1 共查到“a nonavian theropod”相关记录1条 . 查询时间(0.046 秒)
A new feather type in a nonavian theropod and the early evolution of feathers
Early Cretaceous a nonavian theropod
font style='font-size:12px;'>
2014/3/26
All described feathers in nonavian theropods are composite struc-tures formed by multiple filaments. They closely resemble rela-tively advanced stages predicted by developmental models of the
origin ...