Science Magazine : 'Weird' dinosaur underwent radical transformation as it aged

image source : sciencemag.org

 Imagine how odd it would be if humans were born with a full set of teeth  and gradually went toothless from age 12 onward. A slim, little bipedal  dinosaur that lived 160 million years ago, appears to have done  something much like that. Limusaurus lost all of its teeth as it aged and swapped them for a smooth beak, a team of paleontologists reports.  ......

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