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Newly discovered fossils prove that the mysterious foot found in Ethiopia is not a well-known, until recently ancient human name that lived alongside the famous Lucy species, scientists said on Wednesday.
The discovery is the latest twist in the story of human evolution and may even cast doubt on the status of Lucy’s species, Australopithes Afarensis, as the direct ancestor of Homo Sapiens.
Until a footprint was found in Burtele in North-North-Eastern Ethiopia in 2009, Lucy’s species was thought to be the only human inhabiting the area three million years ago.
But the applendage is clearly not of Lucy’s species because it has opposable toes – like a thumb – to allow its owner to grab tree branches like monkeys.
The team of scientists who discovered the Mystery Foot first gave it a new name, AustralAlopithes Deyiremeda, in 2015 based on nearly 3.4 million bones found in Burtele.
This announcement was met with some skepticism in scientific circles. Due to the lack of disease, attempts to add a new branch to the human family tree often reduce the serious debate.
The group also failed to mention that the foot bones – called burtele foot – were their new species.
Now, in a study published on Tuesday called “the owner of the mystery of the African Hominin foot,” scientists announced that new fossils including a jaw with 12 teeth found at the site show that the foot was.
“We have no doubt that Burtele’s foot belongs to the same species as these teeth and jaw,” lead author Soule-Selassie from Arizona State University, told AFP.
Johannes Haile-Selassie / Center for Human Origins at Arizona State University / AFP via Getty Images
The study also sheds light on the species, providing further clues as to who the true ancestors of US Homo sapiens were.
A dental CT scan suggests that A. Deyiremeda was the first to surpass her cousin Lucy, said the study.
The analysis of the teeth in the teeth shows that its food was mainly leaves, fruits and nuts of trees.
Grabbing the big toes raised this human relative and spent more time in the trees. Big toes played an important role in human evolution, allowing our ancestors to leave trees behind and walk on two legs.
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New research shows that the former spent its time in the forest, possibly eating trees, while the latter spent more time on the ground, a difference that allowed them to live together.
It also shows that “the present existence is deep in that of our ancestors”, Haile-Selassie emphasized.
Earlier this year, in the same region it was found that Lucy, found by archaeologists Knives are billions of years old and are believed to be some of the first tools used on earth. Rick Potts, director of the Smith souman Omsukam Facebo program and research leader on the Peninsula, told CBS news that they found Help represent human existence in the world.
“We’re the last documented stand, as I call it,” Potts said. “All those other ways of life are ending. And that gives us a lot to think about, and it draws attention to the wastefulness of life, even to our time travel.”
New technology has made the sites easier to navigate, and new discoveries across Eastern Africa are analyzing human roots for researchers. Researchers knew that African homo sapiens appeared in Africa about 300,000 years ago, but it wasn’t until recently that their ancestors began walking on two legs at least six million years ago.
John McNabb, an art archaeologist at the UK’s University of Southampton not involved in the research, praised the new research.
“It will always be surprising, but I think that these new icons, and their confirmation of the elderly, will help many investigators to accept a. Deyiremeda more,” he told AFP.
And “It adds a new player to the mix” in the search for the identity of our true ancestors, McNabb added.
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But the discovery “opens up the possibility that we’re still going to find more species during that time because it looks like Australopiths were trying to get around,” or walk on two legs, Haili-Selassie said.
Michal cizek / AFP via Getty Images
“Could there be other types that would be a better person to serve in the Homo test?” he asked.
“We don’t know – it depends on what we find.”
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