Ancient Fossil of Happy Shell-Free Turtle Solves an Evolutionary Mystery

[Wireless News]

http://l1.yimg.com/uu/api/res/1.2/5I7XFXV7FeSfp1jEo4EC8g--/YXBwaWQ9eXRhY2h5b247aD04Njt3PTEzMDs-/http://media.zenfs.com/en-US/homerun/inverse_media_399/473fc0185502cf0e498e2dfcd6a589e0 (https://www.yahoo.com/news/ancient-fossil-happy-shell-free-175600808.html)This smiling turtle was footloose and shell-free.



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