Opisthocoelicaudia /ɒˌpɪsθoʊsɪlɪˈkɔːdiə/ is a genus of sauropod dinosaur of the Late Cretaceous Period discovered in the Gobi Desert of Mongolia. The type...

Argentinosaurus to only two ridges, and is fully absent in taxa like Opisthocoelicaudia and Saltasaurus. Both Argentinosaurus and Epachthosaurus bear similar...

which possess flattened centra. Although differing in centrum shape, Opisthocoelicaudia and Diamantinasaurus are the only titanosaurs to share a ventral keel...

the headless skeleton of Opisthocoelicaudia, McIntosh (1990) kept Nemegtosaurus in Diplodocoidea while keeping Opisthocoelicaudia separate from the former...

it with Saltasauridae. One major analysis unites Alamosaurus with Opisthocoelicaudia in the subgroup Opisthocoelicaudiinae of Saltasauridae. A major competing...

each sternal plate that was oriented similarly to Dreadnoughtus and Opisthocoelicaudia. The humerus of Patagotitan was on average 28% as broad as it was...

these characteristics indicate that it was likely closely related to Opisthocoelicaudia. However, it differs from the latter by the flatter bottom articulating...

not Opisthocoelicaudia. The same paleontologists defined Opisthocoelicaudiinae as the inverse: the least-inclusive clade containing Opisthocoelicaudia but...

skull of Nemegtosaurus comes from the same beds as the titanosaur Opisthocoelicaudia, which is known from a skeleton lacking the neck and skull. Originally...

Nemegtosaurus found in association with the postcranial skeleton Opisthocoelicaudia. In paleoanthropological studies, reconstruction of relationship between...