DID YOU KNOW? T-rex’s jaws were so powerful it could crunch bone
Stegosaurus
(‘Roof lizard’)
Herbivore
Late Jurassic period, 150 MYA
Found in: Europe and Eastern North America
Lived in: Forests and vegetated plains
Brain power
Stegosaurus was not a very
smart dinosaur – it had a brain
no larger than a dog’s
Slow and steady
Its short, stumpy legs
meant that Stegosaurus
could barely walk faster
than a human being
Bony plates
Stegosaurus had 17 plates
along its back
Hefty giant
Stegosaurus weighed
about 5,000kg – that’s
about half as much as a
double-decker bus
Fossilised remains
This is a bony plate from
the back of a Stegosaurus
Tail spikes
The spike at the end of a
Stegosaurus’s tail was
called a thagomiser
Dino skill
Stegosaurus had sharp 60-90cm-long
tail spikes that it could swing at an
attacker to defend itself.
Stegosaurus
Killer rating: 1/
Speed: 1/
Defence: 3/
Stegosaurus’s
distinctive back plates
may have been a type
of air conditioning.
Air cooled the blood
running through
the plates
Fact