Opisthocoelicaudia
Opisthocoelicaudia skarzynskii is a genus of sauropod dinosaur of the Late Cretaceous Period discovered in the Gobi Desert of Mongolia. A well-preserved skeleton lacking only the head and neck was unearthed in 1965 by Polish and Mongolian scientists. Tooth marks on this skeleton indicate that large carnivorous dinosaurs had fed on the carcass and possibly had carried away the now-missing...