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Vulcanodon

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Despite its impressive name (which means "volcano tooth"), Vulcanodon wasn't especially enormous as sauropods go--only about 5 tons, or slightly bigger than the biggest elephant. This herbivore is thought to have occupied an intermediate position between the primitive prosauropods of the early Jurassic and the full-grown sauropods of the later Jurassic. More about Vulcanodon
vulcanodon

Vulcanodon (Wikimedia Commons)

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