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.

The Ultimate Guide To Tyrannosaurs

Did Tyrannosaurus rex have lips? - Stile

Theropod dinosaur facial reconstruction and the importance of soft tissues in paleobiology

Predatory dinosaurs such as T. rex sported lizard-like lips, suggests study

Dinosaurs may have had lips that hid teeth, research suggests

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

Predatory Dinosaurs Such as T. rex Sported Lizard-Like Lips

New research finds T. rex had scaly lips

I found this on pinterest and I think it highlights the old argument of Tyrannosaurus Rex with lips vs without lips : r/Dinosaurs

Did Tyrannosaurus rex have lips? Auburn professor's research suggests yes

New study finds T-rex may have had lips covering teeth - WSVN 7News, Miami News, Weather, Sports

Predatory dinosaurs such as T. rex sported lizard-like lips, suggests study

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

We May Have to Rethink Our Image of T. Rex's Face

No Lips! T. Rex Didn't Pucker Up, New Tyrannosaur Shows