Pukyongosaurus (meaning "Pukyong Lizard") is a genus of large sauropod dinosaur native to South Korea. The fossils of this dinosaur date back 130-124 million years, back to the Early Cretaceous Period. It was large, at 27 metres (88 feet) long and 15 metres (48 feet) tall. Only back and neck vertabrae have been discovered. It has a big peen