Fascinating. I believe we're nowhere near a full understanding of the diversity of pre-H. sapiens species. Just last year the discovery of another Homo species

Fascinating. I believe we're nowhere near a full understanding of the diversity of pre-H. sapiens species. Just last year the discovery of another Homo species, H. nadeli, was claimed [1]. I feel like we're going to keep finding more and more of these folks, and - like the Neanderthals and Denisovans - discovering through genetic analysis that we interbred [2]. Also, the thing that complicates paleoanthropology, especially in regions like the Indonesian archipelago, is that most of the areas where prehuman Homo populations would have lived for significant lengths of time are now underwater. Frustrating, but if we knew all the answers, what fun would that be? [1] http://www.theguardian.com/science/2015/sep/10/new-species-of-ancient-human-discovered-claim-scientists http://www.theguardian.com/science/2015/sep/10/new-species-o... [2] https://en.wikipedia.org/wiki/Archaic_human_admixture_with_modern_humans https://en.wikipedia.org/wiki/Archaic_human_admixture_with_m...