Dinosaurs Around the World · Drawing 18 of 40
Ouranosaurus
Africa · Cretaceous

Ouranosaurus was a plant-eater from Niger. Long bones formed a high back, drawn here as a sail.
Did you know?
The tissues around those bones remain uncertain.
Look together
Which do we know better: the bones or their colour?
An idea to try
Find this continent on the opening map, then compare two outlines.
For the adult reading along
A little more to discover
Ouranosaurus nigeriensis belongs to the Early Cretaceous. Its elongated vertebral spines are known. Their skin or flesh covering and their function are not established by observing a living animal. The illustrated sail is a visual hypothesis.
Look together: Which do we know better: the bones or their colour? Find this continent on the opening map, then compare two outlines.
Sources and illustration notes (1)
Simplified reconstruction. Pose, unpreserved tissues and setting are interpreted. Choose your own colours; animals are not to one scale.
These links lead to other websites. Explore them with an adult. References identify the institution and the related lesson; some linked pages are in French.
- Natural History Museum: OuranosaurusCompare a plant-eater’s high back with other body shapes.
Source review: 2026-10-03. Illustrations are simplified for colouring.
