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Amargasaurus
Amargasaurus, an early Cretaceous dinosaur, measures 30ft long from its head to tail and only weighed 2 to 3 tons. It has spiky pines that line around the Amargasaurus neck, and it’s the reason it’s being set apart. The female Amargasaurus is attracted more during the season of mating to males with a greater prominent spine. Possibly, the fatty flesh or skin’s thin flap supports the Amargasaurus spines. It’s the same with the carnivorous Spinosaurus’ back sail.
