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Ancient creature mixed human, apelike traits

south african australopithecines fossils paleoanthropology

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#1 Hum


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Posted 13 April 2013 - 16:55

NEW YORK (AP) — Scientists have gained new insights into an extinct South African creature with an intriguing mix of human and apelike traits, and apparently an unusual way of walking. But they still haven't pinned down where it fits on our evolutionary family tree.

It will take more fossil discoveries to sort that out.

The human branch of the evolutionary tree, called Homo, is thought to have arisen from a group of ancient species called australopithecines. The newly studied species is a member of this group, and so its similarities to humans are enticing for tackling the riddle of how Homo appeared.

It's called Australopithecus sediba (aw-STRAL-oh-PITH-uh-kus se-DEE-bah), which means "southern apmoree, wellspring." It lived some 2 million years ago, and it both climbed in trees and walked upright. Its remains were discovered in 2008 when the 9-year-old son of a paleoanthropologist accidently came across a bone in South Africa.

A 2011 analysis of some of A. sediba's bones showed a combination of human and more apelike traits, like a snapshot of evolution in action. That theme continues in six papers published online Thursday by the journal Science, which complete the initial examination of two partial skeletons and an isolated shinbone.

Jeremy DeSilva of Boston University, lead author of one of the papers, said the fossils reveal an unexpected "mosaic of anatomies."

DeSilva said he has no idea how A. sediba is related to humans, noting that the different traits argue for different conclusions.

Among the new analyses, the ribs show the creature's upper trunk resembled an ape's, while the lower part looked more like a human's. Arm bones other than the hand and wrist look primitive, reflecting climbing ability, while earlier analysis of the hand had shown mixed traits.


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#2 simrat



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Posted 13 April 2013 - 16:58

Its the work of Satan. He is trying to confuse us.

#3 McCordRm



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Posted 13 April 2013 - 16:58


#4 OP Hum


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Posted 13 April 2013 - 17:01

Bigfoot, by any other name. ;)

#5 Growled


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Posted 14 April 2013 - 03:26

Bigfoot, by any other name. ;)

That's exactly what I was thinking. Well that and it looks like some of my wife's redneck family.

#6 Rippleman


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Posted 14 April 2013 - 03:34


I think its a good thing that this event took place. It places conditions and reforms in place to see that it doesn't happen again.

#7 +_Alexander


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Posted 14 April 2013 - 03:38


Microscopic examination revealed file-marks on the teeth, and it was deduced from this that someone had modified the teeth to a shape more suited to a human diet.

Faking things is a lot harder now. Therefore no bigfoot remains.

#8 Torolol


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Posted 14 April 2013 - 04:40


its found in africa, why its called 'austral' ?

#9 GaryW185



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Posted 14 April 2013 - 05:03

its found in africa, why its called 'austral' ?

austral -Relating to the south or to southern regions of the globe.