Yukon fossils represent a pivotal moment in evolution

[Minimalist]

I submit that one must use the term "evolved into" very cautiously, here. For one thing, these designations Ergaster, Erectus, Neanderthal, etc. are based on the assumptions that because there are differences in the bones there MUST be different species. As the recent discovery of interbreeding between HNS and HSS has shown that assumption is misplaced.

There was a Nat Geo special not too long ago which demonstrated the evolution of HE itself. There are big differences between early HE and the late HE specimens. I'll look on youtube and see if I can find a link to it. Fascinating shit and fairly recent.