The largest T. rex to ever live may have weighed up to 33,000 pounds.
Is it possible that the T-Rex got bigger than we think? - Quora
Was Spinosaurus Bigger Than T-Rex?
The Largest T. Rex Discovered Is Nearly 70% Larger Than Previously Believed
Dinosaur discovery: New 'dragon' species found in Wales is UK's oldest meat-eating dino, Science, News
Dinobonez.com
New Study Suggests T-Rex Might Have Been 70% Larger Than Known
Giant footprint reveals the carnivorous dinosaurs that once stalked UK coast
These sleek predatory dinosaurs really are teenage T. rex
Fewer T. rex walked the Earth than previous estimated, new study, rex