After looking closely at this gif it looks like whatever the skull is from had horns that were cut off. [url]http://img1.wikia.nocookie.net/__cb20140803230346/destinypedia/images/thumb/b/ba/19.png/640px-19.png[/url] Maybe a young dragon. Edit Aug 28 [url]https://www.youtube.com/watch?v=IkOXXWf3pYQ[/url] starting at 4:48 there is new footage, at 4:58 there are ribs...I am starting to go crazy... Like Mel Gibson in Conspiracy Theory May I remind you that this is all [b]speculation[/b].