Comparison of dinosaur sizes
Dinosaur
Weight
Length
Spinosaurus
[
1
]
21 tonnes
18 meters
Tyrannosaurus rex
18 tonnes
13 meters
Carcharodontosaurus
15 tonnes
14 meters
Giganotosaurus
14 tonnes
14 meters
Acrocanthosaurus
[
2
]
7 tonnes
11 meters
1
One study of Tyrannosaurus specimens with tooth marks in the bones attributable to the same genus was presented as evidence of cannibalism.
2
Evidence of intraspecific attack were found by Joseph Peterson and his colleagues in the juvenile Tyrannosaurus nicknamed Jane