Hard to give a specific dinosaur as lifespans varied from tens of years to hundreds of years. Their age can be estimated from the maximum lifespans of modern reptiles, such as the 66-years of the alligator.
the stegosaurus lived on earth the longest.
The longest dinosaur is believed to be Argentinasaurus, which could grow to 110 feet.
The second longest dinosaur is Argentinosaurus, at 140 ft long.
its a dinosaur it is the dinosaur with the longest name ever
AMPHICOELIAS
The oldest living dinosaur was the Staurikosaurus. It lived about 220 million years ago!
Dinosaur dont lived Earth any more, they died.
tortoise has lived the longest
Diplodocus had the longest whip-like tail ever.
Liopleurodon
The tallest dinosaur ever discovered is a Sauroposeidon.However, this is not the longest or most massive dinosaur.
Coelophsis was a dinosaur that lived in the Late Triassic Period. The dinosaur is said to have lived in small herds with others.
The longest known lifespan of a theropod was under 30 years. The longest known lifespan of a sauropod was just over 30 years. Other large dinosaurs probably had similarly short lifespans.