Agustinia
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Agustinia, named after fossil-hunter Agustin Martinelli, was a small (7.6 metre/25 foot) long sauropod of the family Titanosauridae. It is unusual in that it has an armoured backbone and pairs of bony spikes jutting out from the vertebrae, not dissimilar to the spikes noted on many ankylosaurs. It lived 121 million years ago, in the Early Cretaceous of Argentina. It was discovered by José Bonaparte.
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