No Teeth? No Problem. Dinosaur Species Had Teeth as Babies, Lost Them as They Grew
WASHINGTON (Dec. 22, 2016)—Researchers have discovered that a species of dinosaur, Limusaurus inextricabilis, lost its teeth in adolescence and did not grow another set as adults. The finding, published today in Current Biology, is a radical change in anatomy during a lifespan and may help to explain why birds have beaks but no teeth. […]