Glyptodonts were superficially similar to armadillos, but much larger, weighing almost as much as a car. They were covered in a rigid armour, which could be up to 5cm thick. Fossil scutes or scales that make up the glyptodont's armoured shell are common in the fossil record. Glyptodonts originated in South America and spread northwards as far as southern North America. They became extinct 10,000 years ago at the end of the last ice age.
Scientific name: Glyptodontidae
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Additional data source: Animal Diversity Web
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