User blog comment:BastionMonk/Edmontosaurus and Anatotitan/@comment-1426621-20120623045223/@comment-11047508-20120624080038

Well, you do know that this is the result of better understanding and not really "out of the blue". The next dinosaur that is gonna disappear is Torosaurus. Homalocephala and Stygimoloch are also gonna go.