Some dinosaurs said to have conveyor belt teeth, shedding old for new
Friday, July 19, 2013 - 16:30
in Paleontology & Archaeology
STONY BROOK, N.Y., July 19 (UPI) -- Some dinosaurs had teeth to spare, shedding old ones as often a twice a month with multiple backup teeth waiting in each tooth socket, U.S. paleontologists say.