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Let’s just say, paleontologists need Neanderthals and Denisovans to be “different species.” Otherwise, it’s just a bone:
Eventually, though, Slon realized that there was no mistake. Although the teenager’s mother had Neanderthal DNA, her father, according to the analysis, had been a Denisovan. And that wasn’t all. While analyzing the bone fragment, the paleogeneticist also discovered that the girl’s genetic makeup was remarkably varied as a whole.
Suzi Marsh, “ Geneticists Studying Ancient DNA Discovered A Girl Whose Parents Were Two Different Species” at Boredom Therapy
All this will really do is further cast doubt on the idea of all these separate “species.”
See also: A physicist looks at biology’s problem of “speciation” in humans
and
This California Story Shows What A Mess The Whole Concept Of Speciation Is In