Four West African populations may carry genes from an undiscovered archaic hominin that diverged from a shared ancestor of Neanderthals, Denisovans and modern humans
Source:
https://www.newscientist.com/article/2233488-dna-analysis-of-people-in-west-africa-reveals-ghost-human-ancestor/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home