The oldest known dinosaur is Eoraptor. It was found in Argentina and dates to about 231.4 million years ago.
The Oldest known dinosaurs fossils are prosauropods found in Madagascar. They date to about 230 Million Years Ago in the Late Triassic Period. It was from the same family of dinosaurs that became Apatasaurus and Diplodocus. Previous to this the oldest dinosaur was a Eoraptor found in Argentina. This dates back to about 228 Million Years.
1500 years.
A Shandodon is a mythical dinosaur that has evolved and is the most clever dinosaur ever discovered!
That depends on what you mean. The first Dinosaur discovered by scientists and named was Megalosaurus. But many believe that ancient civilizations based myths of dragons, griffens, sea serpents, Gods, etc, on Dinosaur fossils. The first Dinosaur to appear, as in the oldest Dinosaur, was Herrarasaurus. But older Dinosaur fossils may be found, so we can never be certain.
The tallest dinosaur ever discovered is a Sauroposeidon.However, this is not the longest or most massive dinosaur.
The oldest dinosaur is the T-rex!
the smallest dinosaur ever discovered so far is the compsongnathus this animal lived in the Jurassic period and the largest dinosaur ever discovered is argentinosaurus it weight 100 tons!!!!
The one that no one has ever discovered.
The oldest dinosaur was alive in the triassic period and is called the Melanorosaurus.
The oldest shark shark ever discovered by scientists recently in 2011. The name of the intact shark is Doliodus problemcatus. It cruised in the oceans of Canada 409 million years ago.
It is believed the Venus of Willendorf is the oldest statue ever discovered.Found in 1908 it is estimated to have been made between 28,000 & 25,000 BCE.
The oldest reptile was a dinosaur. But now a frog is the oldest reptile.