the semi-aquaticSpinosaurusis the longest. The dinosaur was found in North Africa in about the same period as Giganotosaurus. This theropod was estimated to grow over 46 feet in
Spinosaurus (“SPIN-oh-SORE-uss”) is thought to have been as long as one and a half double-decker London buses – 16 metres (52.5 feet) – and as heavy as a heard of full-grown Asian elephants, or 20 tons. Its vertebrae were 20 per cent larger than those of T-rex and to top ...
the spinosaurus is a "dragon from deep time." Paleontologist Nizar Ibrahim and his crew found new fossils, hidden in cliffs of the Moroccan Sahara desert, that are helping us learn more about the first swimming dinosaur — who might also be the largest carnivorous dinosaur of all. ...
The research sheds new light on a conundrum that has perplexed paleontologists. Dinosaurs had a joint in the middle of their lower jaws, called the intramandibular joint, which is also present in modern-day reptiles. Previous research has suggested this joint was flexible, like it is in snakes...