Oldest Evidence of Split Between Old World Monkeys, Apes
Two fossil discoveries from the East African Rift reveal new information about the evolution of primates, according to a study published online in Nature led by Ohio Univ. scientists.
The team’s findings document the oldest fossils of two major groups of primates: the group that today includes apes and humans (hominoids), and the group that includes Old World monkeys such as baboons and macaques (cercopithecoids). Geological analyses of the study site indicate that the finds are 25 million years old, significantly older than fossils previously documented for either of the two groups.
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