Enigmosaurus (meaning 'Puzzle Lizard') was a herbivorous bipedal dinosaur from the Cretaceous Period. It was in the family Therizinosauridae. It lived in Mongolia, Asia, 90 million years ago.
Fact FileLength: 7 metres
Weight: 1 ton
Enigmosaurus was discovered in 1983 by palaeontologists Rinchen Barsbold and Perle. It was named Enigmosaurus mongolensis.