Shastasaurus was a genus of icthyosaur that lived in the Late Triassic period. It was one of the largest marine reptiles ever discovered, reaching lengths of up to 21 metres long.
Shastasaurus can be created in the game. At first, it could only in the Aquatic card packs purchasable by real money. Since May 27th 2016, it became a DNA tournament limited edition.