T. rex may have had lips like a modern lizard's

Dinosaurs like Tyrannosaurus have long been portrayed as lipless, but new research suggests this wasn’t so.

Did T. rex Have Lizard-Like Lips?

Dinosaurs may have had lips that hid teeth, research suggests

Tyrannosauridae - Wikipedia

Tyrannosaurus rex had Lips According to New Study

Has T. Rex Lost Its Bite? Menacing Snarl May Be Wrong - KXL

Dinosaurs like T-rex may have had lips to protect their teeth - BBC Newsround

Did T. rex Have Lips?

T-Rex might not have looked so scary as dagger teeth may have been hidden

Jurassic Park and other pop-culture depictions got the gaping maw of Tyrannosaurus rex wrong: The dinosaur had lips that covered its long, serrated teeth - Genetic Literacy Project