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How many living species belong to the order Caudata?

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Study an amphibious tiger salamander of the mole salamander family Ambystomatidae in its natural habitat — Caudata Tiger salamanders (Ambystoma tigrinum) are widespread across much of the United States. Although they are generally black with yellow blotches, bars, spots, or even stripes, some are lighter in colour or have olive markings. Tiger salamanders belong to the mole salamander family, Ambystomatidae.

There are approximately 740 living species that belong to the order Caudata, which includes salamanders and newts.123