Resources by Joseph C. Mitchell
|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.
|May 1, 2009||420-529|