Spinosaurus,
swamp predator
The largest meat-eating dinosaur to ever walk the Earth, Spinosaurus was longer than T. rex and hunted inside deep, rushing rivers. Explore its 4 specialized body adaptations.
99 Million Years Ago
Lived 33 million years before T. rex existed, so they never met.
Lush Sahara River
Hunted in North Africa when the Sahara desert was a giant tropical river world.
15 Meters Long
Stretched 50 feet long from nose to tail—longer than a school bus and larger than T. rex.
Tap any feature pin
Click a pin on Spinosaurus to reveal its aquatic superpower.
Spinosaurus vs. Onchopristis
Onchopristis was an 8-foot-long giant sawfish with barbed snout teeth that shared North African rivers.
Question 1 of 5
Why did Spinosaurus have solid, heavy leg bones instead of hollow bones?
Official Paleontologist Expert
You mastered Spinosaurus body adaptations and proved how environment decides who survives.