Tech Meet T. rex’s teeny-tiny cousin: 3-foot tall tyrannosaur fossil discovered May 6, 2019May 6, 2019 Doyle Rice, USA TODAY Comments Off on Meet T. rex’s teeny-tiny cousin: 3-foot tall tyrannosaur fossil discovered Sure, we've all seen the monstrous T-rexes running amok in "Jurassic Park" and other movies. It turns out they weren't all huge behemoths.