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New Dinosaur May Links S. American, Aussie Dinos

New Dinosaur May Links S. American, Aussie Dinos

James Owen
for National Geographic News

June 10, 2008

A rare fossil found in Australia suggests dinosaurs
were able to trek north across a vast continent,
scientists report. 

The hundred-million-year-old fossil belonged to a
two-legged meat-eater, or theropod, that is closely
related to Megaraptor namunhuaiquii, a giant,
big-clawed carnivore from Argentina, says a team led
by Nathan Smith of the University of Chicago's Field

The discovery could help redraw the world map during
the dinosaur era, researchers add. 

That's because the newfound Australian dinosaur shows
that animals could travel across the prehistoric
supercontinent of Gondwana during the Cretaceous
period, about 145 to 65 million years ago. 

This in turn suggests that Gondwana's Southern
Hemisphere landmasses broke up later than
traditionally thought. 

Rest of article and photo at...


Mark Pankowski