Longest sauropod

Mamenchisaurus, means "Mamenchi lizard" is the longest sauropod that lived in China during jurassic period.It has a really long neck. In fact, it had the longest neck of any creature that ever lived. Stretching 18 metres (60 feet), the neck on Mamenchisaurus was longer than a school bus. The rest of it was just like other members of its family; a long tail, with stout legs.