If humanoids first visited Earth 65 million years ago

As I conduct more and more research in compiling information around the planet I am more convinced daily that humanoids have been coming to earth for at least 65 million years. So, if they came to earth 65 million years ago to escape the nuclear war which destroyed (the planet that was once the Asteroid belt-some call it Maldek) then it might also be possible for humanoids to have been coming here 300 million years ago when Pangaea existed too. So, maybe the idea of Mu actually predates anything we can presently imagine in world cultures with known histories that date back less than 15,000 years at present? (But, we find humans in some form back further and further and are finding many different humanoid subgroups as bodies somewhat different than the ones we live in (both bigger and smaller) show up around the world in the forms of skeletons and other fossils.

So, it might have been 65 million years ago that humanoids first visited here or 300 million years ago or it could even be around when the planet and the solar system was first created. I think scientists need to open their minds to realize that this all likely is possible too.

If I only stayed in one area and only observed things in one area of earth and never went anywhere else 300 years ago I might think all sorts of things like people used to. I think scientists here on earth are sort of like that person in regard to time and space where they are only considering things in the context of a small area of both time and space. And I think in some ways this is good but also very limiting in the knowledge long term also.

So, only by people opening their minds to the actual possibilities in the universe are we going to get anywhere (especially off of planet earth) to other locations in our galaxy or galaxies.