CretaceousHerbivoreLarge

Corythosaurus

ko-RITH-oh-SORE-us

"Helmet lizard"

Overview

Corythosaurus was a hadrosaur with a distinctive helmet-shaped crest on its skull. Like other lambeosaurines, the hollow crest likely served as a resonating chamber for calls and for species recognition.

Vital Statistics

Length

9 m

Height

3 m

Weight

3 t

Est. Speed

25 km/h

Discovered

1914

Named by

Barnum Brown

Countries Discovered

Canada

Fossil Locations

🦴

📍 Dinosaur Provincial Park, Alberta

Interesting Facts

Its helmet-shaped crest contained complex nasal passages that may have amplified calls.

CT scans reveal different crest shapes in juveniles and adults, showing how they grew.

Corythosaurus had over 100 teeth arranged in dental batteries for grinding tough plants.

Skin impressions from Corythosaurus show it had a pebbly, scaled texture.

Closest Relatives

ParasaurolophusLambeosaurusHypacrosaurusOlorotitan