There were people all over the world. Certainly there were huge sea faring communities in India and China. There were certainly lots of folks in South America by then.
I imagine the records of people in North America were wiped out by the glaciers and subsequent deluge.
There is a bunch of stuff we don’t know.
I imagine the records of people in North America were wiped out by the glaciers and subsequent deluge.
There is a bunch of stuff we don’t know.
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http://www.sci-news.com/featurednews/silurian-hypothesis-05921.html