（Post:221202）Fossil specimens reverse the course of bird evolution. 化石標本が鳥類の進化の道筋を逆転させる。

https://www.science.org/do/10.1126/science.adg0662/full/_20221202nid_birdfossil.jpg
https://www.science.org/content/article/new-look-ancient-jaw-fossil-rewrites-bird-evolution