>>13638306 lb
>gimme evidence
You realize this kind of thing is not allowed to be discussed in academia, right?
If I even give you a source, you'll just "but the consensus machine says otherwise!"
I could point to all sorts of things anon, but "evidence" isn't a product of this environment, especially not considering the discussion topic.
The closest we can get in an academic situation is looking back through various haplogroups and seeing how bloodlines spread. Of course, at a certain point, you have to realize that science is obscured by mythology.
The crux of this assertion lies in the purposeful obscurity of how transition periods transpired, namely pre-deluge eras.
In short, this isn't something you sauce. You'd have to make a big leap from "these are different species of hominid" to "oh, these are 'alien species'". Whether or not you adhere to the mythological explanations and can bridge the gap to "scientific theory" is up to you.