Adamantisaurus is a poorly-known genus of titanosaurian sauropod dinosaur from the Late Cretaceous Period of what is now South America. It is only known from six tail vertebrae but, as a sauropod, it can be assumed that this dinosaur was a very large animal with a long neck and tail.
R. M. Santucci and R. J. Bertini. 2006. A new titanosaur from western São Paulo State, Upper Cretaceous Bauru Group, south-east Brazil. Palaeontology 49(1):59-66
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