This is a fossilised jawbone found in a sea-water channel offshore Taiwan five years ago. It is much larger than our own modern human (homo sapiens sapiens) jawbones. Scientists have been studying this find, which was initially found by Taiwanese fishermen and sold by them to an antique shop, before coming to the attention of scientists who recognised the attributes and the potential meaning within our known version of the origins of our species.
I first heard about this jawbone find in a video interview with Andrew Collins, a well-known researcher and author who is working towards piecing together an alternative view of our very ancient past - and I believe he is one of the front runners in bringing to light new information. (You can find the interview in another thread I will post about Denisovan hominids).
The jawbone has been called Penghu 1 (after the location of its find).
"Scientists have already identified three other ancient Asian hominids: Homo erectus was found in modern-day Java and China, Homo florensiensis in Indonesia, and Neanderthals in Russia’s Altai mountains. This discovery indicates that a fourth type of hominid existed prior to all three of these."
Full article can be found at:
https://inhabitat.com/fossilized-jawbone-suggests-a-fourth-type-of-prehistoric-man/