University of Chicago paleontologist Paul Sereno adds the toe claw to a
well-preserved skeleton of the new tyrannosaur Raptorex. (Photo: Mike Hettwer)
Weighing as little as 1/100th that of its descendant T. rex, 125-million year old Raptorex shows off the distinctive body plan of this most dominant line of predatory dinosaurs. This is based on a fossil skeleton discovered in Inner Mongolia, China. (Drawing: Todd Marshall)
Chicago, IL–(ENEWSPF)– When you think of Tyrannosaurus rex
