Fossils of the primitive ceratopian Psittacosaurus have been found throughout the entire Early Cretaceous, a duration of 45 million years.
It was not a dinosaur, but a plesiosaur and the longest plesiosaur. It could grow upto 15 m long.
The second longest dinosaur is Argentinosaurus, at 140 ft long.
its a dinosaur it is the dinosaur with the longest name ever
AMPHICOELIAS
The longest dinosaur is believed to be Argentinasaurus, which could grow to 110 feet.
The dinosaur that lived the longest was the Brachiosaurus, which lived around 150 million years ago during the Jurassic period.
Micropachycephalosaurus (meaning small thick head lizard) is the largest name of a dinosaur in the world.
The longest presidential reign in Kenya was 24 years by Daniel Arap Moi.
As the longest reign in European history.
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.