snakejaw

Jaws of lizards (a), Coniophis (b) and modern snakes (c). Coniophis has hooked teeth like modern snakes, but its skull is still fixed. [Image Credit: Nicholas Longrich: taken from the publication in Nature]

Jaws of lizards (a), Coniophis (b) and modern snakes (c). Coniophis has hooked teeth like modern snakes, but its skull is still fixed. [Image Credit: Nicholas Longrich: taken from the publication in Nature]