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*** Scientists unveil dinosaur skeleton




RIO DE JANEIRO, Brazil (AP) - Scientists on Thursday unveiled the
reconstructed skeleton of a sheep dog-sized dinosaur they said was an
ancestor of the Tyrannosaurus rex. Alexander Kellner, a professor at
Federal University of Rio de Janeiro who led the team that found the
Santanaraptor in Brazil, said the discovery was important, both
because of how well it was preserved and the clues it provided about
the origins of Tyrannosaurus rex. "The material is perfect, it's as
if it was buried yesterday," Kellner said. Kellner's team uncovered
the bones in 1991 during a dig in southern Ceara state, 1,200 miles
northeast of Rio de Janeiro, but it was only recently that the team
confirmed it as the only specimen of an extinct species belonging to
a group that evolved into the Tyrannosaurus rex. See
http://www.infobeat.com/stories/cgi/story.cgi?id=2568467134-31d