the trex beause it is the king of the dinosaurs
The oldest dinosaur is the T-rex!
The oldest dinosaur was alive in the triassic period and is called the Melanorosaurus.
The oldest reptile was a dinosaur. But now a frog is the oldest reptile.
The oldest period is the Triassic period.
Thecondasaurus
DINOSAUR
The oldest known dinosaur is Eoraptor. It was found in Argentina and dates to about 231.4 million years ago.
The oldest living dinosaur was the Staurikosaurus. It lived about 220 million years ago!
The Eoraptor.
The T Rex of course!
The oldest dinosaur found was Eoraptor (from Argentina) - it is about 228 million years old.
1500 years.