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DinoDex Profile-Acrocanthosaurus

Acrocanthosaurus

TYPE SPECIES: A. atokensis, Stovall & Langston, 1950
OTHER SPECIES: A. altispinax, Paul, 1988=Becklespinax altispinax
SYNONYMS: none
CLASSIFICATION:
Ornithodira
Dinosauria
Saurischia
Theropoda
Tetanurae
Carnosauria
Allosauridae
LENGTH: 8-12 meters (26-39 feet)
TIME PERIOD: Aptian to Albian (Mid-Cretaceous)
LOCATION: Midwest States of the USA & possibly Maryland
ABOUT: This large theropod had elongated vertebral spines that may have formed a hump on its back, possibly to store nutrients (like a camel's hump) or to make it look bigger.