ستیوسور

Cetiosaurus ( meaning 'whale lizard', from the Greek ''''/ meaning 'sea monster' (later, 'whale') and ''''/ meaning 'lizard'), is a genus of herbivorous sauropod dinosaur from the Middle Jurassic Period, living about 171 to 165 million years ago during the Bajocian and Bathonian ages in what is now Britain and probably France.