搜索结果: 1-1 共查到“动物形态学 116 Million Years Ago”相关记录1条 . 查询时间(0.19 秒)
Tooth Loss in Birds Occurred About 116 Million Years Ago
Tooth Loss in Birds 116 Million Years Ago
2014/12/30
RIVERSIDE, Calif. — The absence of teeth or “edentulism” has evolved on multiple occasions within vertebrates including birds, turtles, and a few groups of mammals such as anteaters, baleen whales and...