The
diamondback terrapin (
Malaclemys terrapin) or simply
terrapin, is a
species of
turtle native to the
brackish coastal
swamps of the eastern and southern
United States. It belongs to the
monotypic genus,
Malaclemys. It has one of the largest ranges of all turtles in North America, stretching as far south as
Florida Keys and as far north as
Cape Cod.