Some of the best-known dinosaurs, like Tyrannosaurus rex and
Brontosaurus, may be headed for a divorce due to irreconcilable
Scientists have proposed a radical overhaul of the
dinosaur family tree first laid out in 1888, concluding after an
analysis of 75 species that the meat-eating group that includes T. rex
should not be lumped in with the long-necked, long-tailed, four-legged
plant-eaters like Brontosaurus.