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Title : Prehistoric teeth found in China may point to mysterious new human species
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Prehistoric teeth found in China may point to mysterious new human species

Liz Leafloor
ancient origins

The research conducted in the most crowded prehistoric origins of human beings who receives.

According to a new study, there may have been several species of early humans made between 60,000 and 120,000 years - including a mysterious people that do not correspond to the categories of any of the Neanderthals, Denisovans, or modern humans [

fragments and teeth discovered in 1976 in a cave in Xujiayoa, China skull are raising questions about the amazing prehistoric origins of humanity. dental remains were recovered from four different individuals, and examined for size, shape and surface of teeth and other defining characteristics. When teeth were compared to a database of more than 5,000 known species of the teeth, Maria Martinon-Torres, the National Research Center on Human Evolution found that do not match any of hominids accepted.

Shape, size, location and wear of the teeth are indicators of species. Credit: Martinon-Torres
BBC Earth reports, "We know there were first up to four other human beings living on Earth when modern humans still confined to Africa's. Neanderthals lived in Europe, the Denisovans in Asia and the "hobbit" Homo floresiensis in Indonesia. also was a fourth mysterious group of Eurasia that interbred with Denisovans "

the question now it is whether the teeth represent a hybrid of Denisovans and modern humans, or if scientists have an entirely new human species in their hands.

Martinon-Torres and colleagues recently published a study in the American Journal of Physical Anthropology, providing a comparative analysis of the teeth found in northern China, and noted that the teeth are different from those of modern humans, Homo sapiens. The remains have some primitive characteristics similar to but not exactly match Neanderthals or Homo erectus.

"Teeth are like 'miniature landscapes". Each of these tracks, grooves, valleys define a pattern or a combination of features that can be distinctive of a population, "Martinon-Torres told the BBC Earth.

While the results are surprising and mysterious , experts are reluctant to confirm that represents a completely new species. "what we have seen is a group unknown to us," Martinon-Torres continued. "There is H. sapiens neanderthalensis and H. is not. They have a mix of something very primitive, which is currently unknown. We can not go further to say that it is a new species because we have to compare it with other things. "

However, other researchers insist that while more research needs to be done, the teeth are unique enough to represent an unknown variant depending on its surface has only

A mixture of hominids (Homo) models.; (From right to left) H. habilis, H. ergaster, Homo erectus, H. antecessor - male, female, H. heidelbergensis, H. neanderthalensis - girl, male, H. sapiens sapiens public domain .
These are not the first ancient potential to have confused researchers humans in 2013 a meeting of the Royal Society of ancient DNA revealed a spectacular find -. the genome of one of our ancestors, hominids Denisova, contains a DNA segment that seems to have come from another species that is currently unknown to science. The discovery suggests that there was rampant interbreeding between ancient human species in Europe and Asia more than 30,000 years ago. But more significant was the finding that also mated with a mystery of Asia -. One that is neither human nor Neanderthal

Could there be a connection between the Chinese remains and that the branch unidentified of humanity?

Mark Thomas, an evolutionary geneticist said DNA 2013 University College London find, "what begins to suggest is that this is a 'Lord of the world of Rings type '- there were many populations of hominids "

China is home to other prehistoric population controversial -. the people of Red Deer Cave, dated between 14,500 and 11,500 years. The fossils of early hominids were discovered in a cave in southern China . While his facial features do not resemble modern humans, experts are reluctant to classify them as a unique species awaiting DNA extraction.

Red Deer Cave people, skull and reconstruction. Wikimedia (CC BY 2.5)
If the Xujiayoa teeth studied by Martinon-Torres and colleagues reveal an ancient Asian ancestor, history books and the conventional theory that Africa was the cradle of human modern will have to be changed.

human evolution is not as simple as we like to think, but as more remains and fossils recover, especially with the help of DNA testing, these possible mysteries that quickly It has been resolved. The further proceed in our future, the more we reveal about our ancient past

Picture of the day:. Comparison Skulls modern humans and Neanderthals. ( CC BY-SA 2.0 )

"Prehistoric teeth found in China may point to mysterious new human species", article source: riseearth.com

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