Tuesday, May 19, 2009

Primate Evolution


From The New York Times:
NEW YORK (AP) -- The nearly complete and remarkably preserved skeleton of a small, 47 million-year-old creature found in Germany was displayed Tuesday by scientists who said it would help illuminate the evolutionary roots of monkeys, apes and humans. Experts praised the discovery for the level of detail it provided but said it was far from a breakthrough that would solve the puzzles of early evolution.

About the size of a small cat, the animal has four legs and a long tail. Nobody is claiming that it's a direct ancestor of monkeys and humans, but it provides a good indication of what a long-ago ancestor may have looked like, researchers said at a news conference.

In an evolutionary sense, the fossil is like an aunt from several generations ago, said Jens Franzen of the Senckenberg Research Institute in Frankfurt, Germany.

The fossil is the best preserved ever found for a primate, said Jorn Hurum, of the University of Oslo Natural History Museum, one of the scientists introducing the specimen. It's about 95 percent complete, even including fingertips with nails, and lacks only the lower portion of one leg, Hurum said. It also includes gut contents, showing the creature ate leaves and fruit in its rainforest environment.

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