By the top from the Triassic, archosaur evolution break up into two paths: 1 branch of archosaurs developed in the oldest kin of crocodiles and alligators, and the other branch developed into dinosaurs, birds and flying reptiles (also referred to as pterosaurs). One more difference between alligators and crocodiles is https://crocodilles52963.blogdigy.com/5-simple-techniques-for-crocodilles-52009663