Haha. I googled that question and found a buzzfeed article on the various theories regarding where the dinosaur ghosts are...
The No Regrets Theory: they lived life with no regrets.
The Toronto Raptors Theory: they were reincarnated as basketball players.
Haha. :P
https://www.buzzfeed.com/kaelintully...Vp4#.jl71BLMy6