Acrocanthosaurus / Tenontosaurus VFB Paleoart Estas espinas eran una característica

Estas espinas eran una característica distintiva de su espalda

suggesting that the lips may have protected the teeth from wear and tear

lurks stealthily

suggesting that it could have used its tail as a defensive weapon against predators

Snout-tail length 440 mm

Acrocanthosaurus / Tenontosaurus VFB Paleoart Estas espinas eran una característicaAcrocanthosaurus atokensis is the only known species of the extinct genus Acrocanthosaurus, a carcharodontosaurid theropod dinosaur that inhabited North America during the Cretaceous period, approximately 125 to 99. 6 million years ago. It stands out for the tall neural spines on many of its vertebrae, which suggest the presence of a kind of "hump" on its neck, back and hips. It was one of the largest theropods, with a length of up to 11. 5 meters and