It's 100% fake. I use my three strike rule:
Strike 1: Nintendo of America, while still having corny names, would not be as corny as that. Like, and the names are combo names, and usually in each generation there is some names that are just 1 letter is swapped or a play on words. None of them really helped much variety.
Strike 2: The fact that I think that Gamefreak wouldn't include so many pre/new evos at such a high rate. They still want at least the majority of it to be new pokemon, and I sure know that there are going to be more than 6 legendaries...
Strike 3: Look at the typing of each pokemon. Do you really believe that some of those typings are going to be real? Plus, see how all the pre-evos make sense, but then all the new ones are completely new typings? And see how there are the same typing that happen WAY too repeatedly in a role? Plus, the balance of typing is very off, and there is no way there will be that many dark pokemon.
I have seen a lot of potential rumor, and this just has way too many red flags that I'm calling bogus on it.