Opisthocoelicaudia

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Opisthocoelicaudia
Temporal range: Upper Cretaceous
70 mya
Mongolian sauropod.jpg
Type specimen
Scientific classification
Kingdom:
Class:
Order:
Infraorder:
(unranked):
Family:
Saltasauridae
Genus:
Opisthocoelicaudia

Opisthocoelicaudia is a genus of titanosaur sauropod dinosaur. It is from Late Cretaceous rocks from Mongolia's Nemegt Basin. In 1965 a well preserved skeleton was found, missing only a neck and head.

Possible synonymy with Nemegtosaurus[change | change source]

Scientists are arguing whether Nemegtosaurus is a synonym of Opisthocoelicaudia or its own genus, or vice versa.

Skeleton of Opisthocoelicaudia restored with the skull of Nemegtosaurus

Restoration of Opisthocoelicaudia