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.
| Opisthocoelicaudia | |
|---|---|
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| Skeleton restoration in the Museum of Evolution of Polish Academy of Sciences, Warsaw | |
Scientific classification 
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| Unrecognized taxon (fix): | Bagualosauria |
| Family: | Saltasauridae |
| Genus: | Opisthocoelicaudia Borsuk-Białynicka, 1977 |
| Species: | O. skarzynskii
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| Binomial name | |
| Opisthocoelicaudia skarzynskii Borsuk-Białynicka, 1977
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Possible synonymy with Nemegtosaurus
Scientists are arguing whether Nemegtosaurus is a synonym of Opisthocoelicaudia or its own genus, or vice versa.
