Mamenchisaurus
Mamenchisaurus: Research Database Mamenchisauridae (Eusauropoda) · Late Jurassic (~160-155 MYA) · China — Sichuan, Xinjiang Research Note: Mamenchisaurus is famous for having one of the longest necks relative to body size of any sauropod — with 19 vertebrae, its neck was roughly as long as its body and tail combined. It was first described by … Read more