p. jroenatus: The Bridled Dolphin. Atlantic and Indian Oceans; 

 about 6 feet. 



P. malayanus: East Indies; more than 6 feet. 



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 ii 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. ahusalam : Red Sea; 6 feet. 



T. catalania: Indian and Australian seas. 

 Genus Steno 



S. rostratus: The Rough-Toothed Dolphin. Long-beaked, wdth 

 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). 

 Genus Lissodelphis or Tursio 



Lissodelphis: The Right Whale Dolphin. All oceans. 

 Genus Grampus 



G. griseus: Risso's Dolphin. North Atlantic, Mediterranean, New 

 Zealand, and Cape of Good Hope; 12 to 13 feet. 

 Genus Cephalorhynchus 



These are the Southern, mostly cold-water dolphins. 



C. heavisidei: Heaviside's Dolphin. Cape of Good Hope; about 4 

 feet. 



C. hectori: Hector's Dolphin. New Zealand; about 6 feet. 



C. albiventris: White-Bellied Dolphin. A very rare form, found off 

 the coast of South America; about 4 feet 6 inches. 



C commersonii: Commerson's Dolphin; also known as the Piebald 

 Porpoise or Le Jacobite. Southern oceans; up to 5V4 feet. 



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