- T. rex and other theropods likely had thin, scaly lips that covered their teeth, according to a new study.
- The popular depiction of theropods with exposed teeth is likely incorrect.
- The lips of these dinosaurs did not have complex facial muscles and could not be moved independently.
- The lips would have protected the teeth from wear and kept them hydrated in a moist environment.
- The findings could open up new lines of inquiry into dinosaurs’ oral health and tooth pathologies.
WSJ — World — Dinosaur Teeth — Science — Paleontology — Evolution
T. Rex Had Lizard-like Lips That Covered Its Teeth
A new study challenges the popular-culture depictions of T. rex and other theropods with exposed teeth, showing that these dinosaurs likely had thin, scaly lips that covered their teeth.