How It Works-Book Of Dinosaurs

Gigantosaurus

(‘Giant southern lizard’)

Carnivore

Cretaceous period, 100 MYA

Found in: South America

Lived in: Argentina

DID YOU KNOW? Giganotosaurus shared its environment with Andesaurus, a massive sauropod

Despite being huge,

Giganotosaurus would

often fall over when

running fast because

it would lose balance

at speed

Fact

Dino skill

Its thin, pointed tail would have provided

balance, allowing the Giganotosaurus to turn

quickly, making it agile enough to catch

diffi cult prey.

Killer rating: 4/5

Speed: 3/5

Defence: 3/5

Gigantosaurus

Serrated teeth

Giganotosaurus would

have given T-rex a run

for its money, being

larger, with serrated

knife-like teeth for

cutting into prey

Big predator

Giganotosaurus weighed

up to eight tonnes

Claws

It had short but powerful

arms with razor-sharp

claws on each hand

High speeds

Giganotosaurus could run

at the same speed as a car

in a 30mph zone

Intelligence

Giganotosaurus was not

very smart – its brain was

small, and banana-shaped