Opisthocoelicaudia

Opisthocoelicaudia Temporal range: Late Cretaceous, 70 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Skeleton restoration in the Museum of Evolution of Polish Academy of Sciences, Warsaw
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	†Sauropodomorpha
Clade:	†Sauropoda
Clade:	†Titanosauria
Clade:	†Lithostrotia
Family:	†Saltasauridae
Genus:	†Opisthocoelicaudia Borsuk-Białynicka, 1977
Species:	†O. skarzynskii
Binomial name
Opisthocoelicaudia skarzynskii Borsuk-Białynicka, 1977

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.

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

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