Dinosaurs A to Z
Hadrosauridae

Stephanosaurus

"crown"

Generic ornithopod body-plan outline
You 1.8 m (5.9 ft) tall
Stephanosaurus 9 m (29.5 ft) long
as long as 6 people standing fingertip to fingertip
generic ornithopod body plan, scaled to length — not a silhouette of Stephanosaurus
Length
9 m (29.5 ft)
Period
Late Cretaceous (76–75 Mya)
Food
Herbivore
Clade
Hadrosauridae Dinosauria Ornithischia Cerapoda Ornithopoda Iguanodontia Duck-billed dinosaurs with tooth batteries.

Stephanosaurus is a dubious genus of hadrosaurid dinosaur with a complicated taxonomic history. It has also been known by the names Trachodon marginatus and Kritosaurus marginatus, and some material once assigned to it was later separated into the genus Lambeosaurus.

What we know

  • Named by Lambe, 1914.

What we guess

The reconstruction notes for Stephanosaurus — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.