Doug McCrae
Legend
Opinions vary on this, depending on whether the palaeoanthropologist is a 'splitter' or a 'lumper'. A lumper would consider homo neanderthalensis and homo sapiens to be a single species, whereas a splitter would not. But both would agree that homo floresiensis is (or is part of) a separate species. A lumper might group floresiensis in the same category with homo erectus, or even homo habilis.It depends on how exactly you classify human species, but right now it's looking like around 100,000 - 50,000 years ago or so there were at least 5 human species concurrently. Us, Neandertals, Denisovans,Homo Floresiensis (hobbit people), Luzonensis.
Apparently denisovans are not yet recognised as a formal taxon, and I think the same is true for luzonensis.
So the consensus of scientific opinion is that there were at least two different hominin species living on Earth 100k years ago, and there could be more depending on the system of categorisation one uses.
I'm getting most of this from Human Evolution: A Very Short Introduction 2e (2019) by Bernard Wood.
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