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Earliest human ancestor unearthed in Ethiopia


Posted on Thursday, 5 March, 2015 | Comment icon 25 comments

The discovery could rewrite the history books. Image Credit: CC BY-SA 3.0 Cicero Moraes
The discovery has pushed back the emergence of the earliest humans by up to 400,000 years.
Dating back 2.8 million years, the unique specimen was found partially exposed in the sediment of Ethiopia's Ledi-Geraru research area by student Chalachew Seyoum.

The fossilized jawbone is thought to have belonged to an early human ancestor and exhibits a mixture of traits that places it between the previous earliest known human find, which dates back 2.35 million years, and the fossil of a pre-human individual known as 'Lucy' which dates back to around 3.2 million years ago.
"So this new discovery pushes the human line back by 400,000 years or so, very close to its likely (pre-human) ancestor," said Professor William Kimbel. "Its mix of primitive and advanced features makes the Ledi jaw a good transitional form between (Lucy) and later humans."

The fossil fits in to what had previously been a large gap in the fossil record of our species and should help paleontologists piece together a more complete picture of our earliest origins.

Source: BBC News | Comments (25)


Tags: Humans


Recent comments on this story
Comment icon #16 Posted by ozman on 6 March, 2015, 11:55
how come al-quran say human are created 6000 BC? It doesn't.
Comment icon #17 Posted by Imaginarynumber1 on 6 March, 2015, 12:07
how come al-quran say human are created 6000 BC? It's a book. I have one professes a love of green eggs and ham.
Comment icon #18 Posted by moon tide on 6 March, 2015, 12:41
2.8 million years. Our ancient ancestors out there on the plains, in the savannah, battling with the lions and everything the animal kingdom could throw at us, day after day, year after year, millennium after millennium. Incredible. No wonder man is so bitter. It's been tough for 2.8 million years.
Comment icon #19 Posted by Galahad on 6 March, 2015, 12:46
Its a male , you can tell by the hair style. Kinda has high cheek bones, I'm not so sure, have they reviewed it's sex yet?
Comment icon #20 Posted by karmakazi on 6 March, 2015, 14:40
A jawbone? What happened to the rest of him? Did Lucy eat him? Nom nom nom!
Comment icon #21 Posted by Atuke on 6 March, 2015, 16:09
Wrong sort of teeth. Shape of the teeth is one of the characteristics of the entire genus of Homo. Harte Ah yessir I agree. Just like Sasquatch
Comment icon #22 Posted by Hanslune on 6 March, 2015, 22:44
If that thing's a human then chimps are humans too. Give that thing a dang banana Discuss of the differences between primates and human teeth, etc http://www.uic.edu/classes/osci/osci590/9_2TH.htm
Comment icon #23 Posted by NightScreams on 6 March, 2015, 22:49
There's a genius homo where now?
Comment icon #24 Posted by Harte on 6 March, 2015, 23:36
There's a genius homo where now? Whole comic book anthology full. Link. Harte
Comment icon #25 Posted by ozman on 8 March, 2015, 11:47
If that thing's a human then chimps are humans too. Give that thing a dang banana It is funny how they think just because bones of something that looked human are what we evolved from. They need to u derstand that there was originally Adam and Eve and they were Gods creation and did not look monkey like. The first humans God made were giants and lived very long due to possibly earths higher oxygen concentration and DNA that was coded to allow them to live that long. Hahahaha I was laughing hard @ someone give that thing a banana and "if that this thing is Human then all chimpanzees are Human"


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