P. coeruleoalbus: South America, near mouth of River Plate; about 4 feet.
P. euphrosyne: Atlantic Ocean to South Africa; about 8 feet.
Genus Tursiops
T. truncatus: The Bottle-Nosed Dolphin. Has a short well-defined snout 2 or 3 inches long. There is a prominent fin in the middle of the back. Reaches a length of 11 to 12 feet. Has a very wide range. Commonest along the Atlantic coast of America from Maine to Florida. Found in Bay of Biscay, in the Mediterranean Sea, and in New Zealand waters.
T. abusalam: Red Sea; 6 feet.
T. catalania: Indian and Australian seas.
Genus Steno
S. rostratus: The Rough-Toothed Dolphin. Long-beaked, with roughened or furrowed teeth. Atlantic and Indian Oceans; about 8 feet.
Genus Orcaella
O. brevirostris: Irrawaddy River Dolphin. From Bay of Bengal, Vizagapatam, Singapore, and Siam (i.e., S.E. Asia).