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This seems like an argument over semantics. Just just show the DNA in a phylogenetic tree: https://commons.wikimedia.org/wiki/Category:Fixation_index_i...

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As the article notes, DNA doesn't survive more than around 100,000 years in the fossil record.

Plenty of archaic homo genus groups were around more recently and we have at least some genetic evidence of them.

https://en.wikipedia.org/wiki/Denisovan

What if you can't extract DNA from the fossils?

But we can and do. So this question is moot. It becomes important the further back in time you go, but it’s not like we don’t have Neanderthal DNA sequences.

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