Ruyangosaurus

Period: Late cretaceous - 75 milion years ago
Where: China, Henan province
Fossil dimension: 30 meters long, high 11 meters
Quick facts: Ruyangosaurus, or Ruyang yellow river dinosaur. Not many fossilised bones of this dinosaur are known, but those that are simply huge. Comparing these bones to the more complete remains of other genera has resulted in very rough estimates of around thirty meters long, raising the probability that Ruyangosaurus was one og the largest animals to ever walk the earth.