We don't know for sure, but it may have had a forked tongue. Its diet included turtles, large fish, other mosasaurs, and it may even have been a cannibal. The previous text is in English. Here is a translation to Chinese (Simplified):
它的舌头有可能是分叉的，对此我们尚不确定。它的食物包括海龟、大型鱼类、其他沧龙，甚至会吃人。