How Did Hadrosaurs Chew Their Food?
How Did Hadrosaurs Chew Their Food? Wednesday July 1, 2009 It may not be as thrilling as your average episode of CSI, but paleontologists analyzing the tiny scratch marks on a handful of Edmontosaurus teeth have made a major dental discovery: apparently, ancient hadrosaurs chewed their food in a different way from any other animal on earth. To quote one of the lead researchers (as quoted himself by Science Daily), “rather than a flexible lower jaw joint, [hadrosaurs] had a hinge between the upper jaws and the rest of the skull. As they bit down on their food the upper jaws were forced outwards, flexing along this hinge so that the tooth surfaces slid sideways across each other, grinding and shredding food in the process.” If this all sounds complicate
