Well, in fact, the theory does exist, even if no one has bothered to repost something that can be freely found on the net just to satisfy someone like you, who has no interest in it anyway. But I have never claimed that it has been "proven to be true." There is no way to "prove it to be true." For that matter, there is no way to prove Newton's theory of universal gravitation to be true. I just believe that it's the most likely explanation for the fossile record.
Well, in fact, the theory does exist,