Researcher Christopher J. Bae identified Homo juluensis, a new human species that coexisted with Denisovans in Asia. A University of Hawaiʻi researcher may have identified a new human species, Homo juluensis, which could encompass enigmatic groups like the Denisovans—ancient human relatives whose s
It’s not just due to extinction. If the two species are genetically compatible, but have incompatibilities when mating in the wild, they can be considered distinct.
Ie: Dogs vs Wolves, Galapagos finches
In the case of extinct hominids, this whole conversation tree is argued for years in a series of papers until research convincingly shows the distinction is sufficient to warrant labelling as a new species.