i think that the tyrannosaurus is the biggest because the tyrannosaurus is 40 to 60 feet long
Spinosaurus
Tyrannosaurus Rex
Name means
"spine lizard"
"tyrant lizard"
Length
60-80 feet (17-25 m)
50-62 feet(15-18 m)
Weight
6-9 tons
5-7 tons
Era
Middle Cretaceous
Late Cretaceous
Fossils found
North Africa, South Asia
North America, Mongolia
Walked on two legs?
Yes
Yes
Long tail?
Yes
Yes
Huge, powerful jaws?
Yes
Yes
Carnivore?
Yes
Yes
Mystery feature
Large sail along its back to regulate body temperature
Teeny, useless-looking little arms: what were they used for?
How mean
was it?
Can It stand up?
Spinosaurus is the biggest meat-eating dinosaur ever to walk earth..
reptile species which hu
nted fish as a diet.
yes
also reptile with ferocious dagging like teeth to kill its prey.
Yes
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