Articles related to "Class Reptilia"

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Reptiles are egg-laying vertebrates with a tough skin that is covered in scales.

Through the evolution of a unique set of characteristics, reptiles were the first true terrestrial animals to appear.

The Qiaowanlong kangxii, a brachiosaur roughly 40 feet long, is believed to have lived in Asia in the Early Cretaceous period.

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Although most abundant in the tropics and subtropics, the nearly 8,000 species of living reptiles inhabit every continent except Antarctica.