What I find interesting is the scorpion.
Why should the two continents have the same celestial imagery?
Or why Native Americans who lived 1000 years ago are "pre-historic"?
Does the fact the the Euopeans didn't know they existed make them prehistoric?
Why do we continue to discount that they had civilzations, histories, cultures = even observatories, long before we knew there were continents here.
When the white man came, they found cities that surpassed those in Europe - and astronomical observatories, planetary observations, calendars, predictions and a numerical system that surpassed that of the old world.
Even Chaco Canyon was a remarkable community where over 5000 people lived for a few hundred years. They observed the planets, kept track of the solstices, ...
We try to ignore the histories of the Native Americans because we haven't grown up enough yet to admit they were not just a bunch of wild savages whose lands we were meant to take thru' "manifest destiny."