7/30/2019 Anónimo - Presentación FamFosPrehum http://slidepdf.com/reader/full/anonimo-presentacion-famfosprehum 1/14 Ardipithecus ramidus Ardipithecus ramidus Tim White, Tim White, Alamayehu Asfaw Alamayehu Asfaw , , 1992 1992 - - 94 94 Aramis Aramis , Ethiopia , Ethiopia “ “ Mystery Skeleton Mystery Skeleton ” ” 4.5 million years 4.5 million years Significance: The scientific world waits Significance: The scientific world waits impatiently for a description of this impatiently for a description of this quasi quasi- hominid, which includes much of hominid, which includes much of a skeleton. It is hinted to have a a skeleton. It is hinted to have a locomotor locomotor pattern unlike that of any pattern unlike that of any other known hominid or ape. other known hominid or ape.
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Significance: The most famous fossil of our Significance: The most famous fossil of our century, and the most complete specimencentury, and the most complete specimen
of any hominid this old. Three and a half of any hominid this old. Three and a half
feet tall and fully bipedal with a chimpfeet tall and fully bipedal with a chimp--
Significance:Significance: Hadar Hadar location 333 yielded the remains of nine adults and four juvenilocation 333 yielded the remains of nine adults and four juvenilesles
(including the child shown above and many of the(including the child shown above and many of the Hadar Hadar jaws at the right). If its jaws at the right). If its
discoverers are correct in their assumption that these individuadiscoverers are correct in their assumption that these individua
ls died together in als died together in a
catastrophic event, the site offers a crosscatastrophic event, the site offers a cross--section of ansection of an afarensisafarensis population. population.
LeakeyLeakey team, Westteam, West TurkanaTurkana, Kenya, 1985, Kenya, 1985 Age: 2.6 million yearsAge: 2.6 million years
Cranial Capacity: 410 ccCranial Capacity: 410 cc
Significance: This surprisingly old, hyper Significance: This surprisingly old, hyper --robust australopithecine ruined robust australopithecine ruined JohansonJohanson’’ss
hypothesis thathypothesis that robustsrobusts descended fromdescended from A. A. africanusafricanus. In fact, it poses a challenge to. In fact, it poses a challenge toall neat, simple hominid all neat, simple hominid phylogenies phylogenies..