Alcântara Formation in Brazil. Spinosaurus is the longest known terrestrial carnivore; other large carnivores comparable to Spinosaurus include theropods such...

related species Spinosaurus aegyptiacus, while others have classified it as a separate taxon, forming the clade Spinosaurini with Spinosaurus as its sister...

revealed to be a Spinosaurus, emerges and devours Cooper. The aircraft hits the dinosaur and crashes into the trees. The Spinosaurus then attacks the...

from Spinosaurus. Unlike most theropods—which walk on three toes, with the hallux (first toe) being reduced and elevated off the ground—Spinosaurus walked...

to go with his favorite carnivorous dinosaur: Spinosaurus, an animal larger than the T. rex. Spinosaurus had a distinctive sail on its back; Johnston said:...

over its hips, lower and extending further to the back than that of Spinosaurus, in which the sail reached its highest peak over the dorsal vertebrae...

reptiles attack Spinosaurus at him and the female Spinosaurus's nest; Spinosaurus fights them off, impressing the female Spinosaurus and winning back...

Allosaurus fragilis or Passer domesticus. Members of the group include Spinosaurus, Megalosaurus, and Torvosaurus. They are possibly paraphyletic in nature...

maxilla, and from Spinosaurus due to its comparatively larger and more forwardly positioned nostril openings, which, unlike in Spinosaurus, are also formed...

dinosaurs have been described, including Spinosaurus, Carcharodontosaurus, and Giganotosaurus. The original Spinosaurus specimens (as well as newer fossils...