Fossil reveals giant killer dinosaur from US; preceded T. rex as …
Fossil reveals giant killer dinosaur from US; preceded T. rex as …, Victoria Times Colonist, Nov. 22, 2013. Archaeologists have uncovered a new species of carnivorous dinosaur that lived alongside and competed with the comparatively small-bodied tyrannosaurs about 98 million years ago. Lindsay Zanno, biological sciences, featured.
