How It Works-Book Of Dinosaurs

Among the T-rex’s favourite prey were the Ceratopsians, such as Triceratops

HeadIt measured 1.5m (4.9ft) long, and had eye and nose cavities. The skull was of thick and heavy bone, although in some points it was pretty fl

exible.

35

You probably couldn’t outrun a

TyrannosaurusComputer simulations of T-rex running suggest that it had a top speed of around 29kmh (18mph). Not quite fast enough to catch up with a car, like in Jurassic Park, but quick enough to catch any human that’s not an athlete.

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Some dinosaurs had a wishboneThe ‘V’-shaped wishbone you fi

nd in your Sunday roast

is also present in meat-eating theropods such as T-rex.

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Stegosaurus never met Tyrannosaurus

Despite being depicted together, these two would never have been in the same place at the same time. Stegosaurus lived during the Jurassic period and went extinct around 80 million years before T-rex fi

rst appeared at the end of the

Cretaceous period.

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The largest T-rex fossil is called Sue

Complete dinosaur fossils are incredibly rare, but there is one T-rex specimen that stands out from the rest. Sue is over 12.8m (40ft) long and stands over 3.9m (13ft) high. She is on display at the Chicago Field Museum and is the most complete specimen ever recovered.

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The meat-eating dinosaurs were

all theropodsT-rex, Allosaurus and Deinonychus belonged to a group of dinosaurs known as theropods. Some members of this group are the largest carnivores ever to have walked the Earth.

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Dinosaurs walked with their tails up

Dinosaurs like T-rex had enormous heads, and used their tails as a counterweight, holding them up for balance.

Cervical vertebrae

Reptile hip

DINOSAURS’ LEGACY

101 dinosaur facts