First Discovery of Fossilized Ovaries in Early Birds----Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences

First Discovery of Fossilized Ovaries in Early Birds

Update time：

03/18/2013

Text Size: A A A

Fig.1 One of two enantiornithine with fossilized ovarian follicles from the Early Cretaceous Jehol Group　(Image by ZHOU Zhonghe)

Fig.2 Close-up of fossilized ovarian follicles in one of two enantiornithine. (Image by ZHOU Zhonghe)