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Sustaining America's Aquatic Biodiversity - Turtle Biodiversity and Conservation
Turtles are freshwater, marine, and terrestrial vertebrates with a shell. There are about 300 living species worldwide in 12 families and about 89 genera. Of these, eight species are marine, 49 are land, and about 250 are freshwater to semiaquatic.
Mar 19, 2020 420-529 (CNRE-89P)