The largest dinosaur in history was Titanosaur. In fact, these prehistoric reptiles were the largest land animals ever to have lived. Some dinosaurs could reach enormous sizes. In fact, the largest even surpasses any land animal alive today!
The largest dinosaurs ever to have existed belonged to the sauropod dinosaurs. These herbivorous, long-necked, long-tailed reptiles included well-known faces such as Diplodocus and Brontosaurus.
These enormous prehistoric animals first appeared in the Late Triassic period, but reached their largest size during the Cretaceous period.
Titanosaur: The largest dinosaur in the world
The largest dinosaur was Titanosaur. They were among the last surviving sauropods when the asteroid that caused the extinction of non-avian dinosaurs collided with Earth 66 million years ago.
Not all Titanosaurs were enormous—the Mayala was only about 5 meters long—but many Titanosaurs were record-breaking giants. Here are some of the largest discovered to date.
