National Geographic News Photo Gallery: Deerlike Mammal Was Whale Ancestor?
A small semiaquatic fossil mammal unearthed in Kashmir in northern India represents the vital “missing link” in the evolution of whales, according to a study lead by Hans Thewissen of Northeastern Ohio Universities Colleges of Medicine and Pharmacy in Rootstown.
クジラの祖先を発見と。クジラについては過去のコラム「クジラ、海へ」も参照ください。