How old was the oldest dinosaur that lives?

Question

how old was the oldest dinosaur.that lived in the world i need the year of age it was

Answer 1

The year of age, like 5 years old, 6 years old, is impossible to explain with a great deal of accuracy for anything that was in prehistory (before humans wrote stuff down)....let alone before humankind existed.

Answer 2

Look, tortoise are as old as 240 million years. So I guess their longevity was still similar to today!

Answer 3

6,000 years ago they roamed the earth.How long they lived is unknown for sure.

Answer 4

Dinosaurs lived for about 40 to 60 years, depending on how old they were when they died.