CretaceousCarnivoreLarge
Acrocanthosaurus
ak-ro-CAN-tho-SORE-us
"high-spined lizard"
Overview
A huge Early Cretaceous carcharodontosaurid from North America with a ridge of tall spines along its back.
Vital Statistics
Length
11.5 m
Height
3.5 m
Weight
6 t
Est. Speed
30 km/h
Discovered
1950
Named by
John Willis Stovall & Wann Langston
Countries Discovered
United States
Interesting Facts
Had tall neural spines forming a back ridge
One of the largest theropods of Early Cretaceous North America
Likely hunted sauropods like Paluxysaurus
Closest Relatives
CarcharodontosaurusGiganotosaurusConcavenatorMapusaurus