Appendix B 



Dolphins and Their Distribution 



Order: CETACEA 

 Suborder: ODONTOCETI 

 Family: Delphinidae 

 Subfamily: Delphininae 

 Genus: Delphintis 

 Subfamily : Delphinapterinae 

 Genus : Monodon 

 Genus: Delphinapterus 



The Suborder Odontoceti of the Order Cetacea consists of the 

 toothed whales, in contrast to the toothless whalebone or baleen 

 whales, the Mystacoceti. The whales are large dolphins or one may 

 say that dolphins are small whales. The members of the Odontoceti 

 are the Dolphin, Freshwater Dolphin, Porpoise, Sperm Whale or 

 Cachalot, Lesser Sperm Whale, Bottle-Nose Whale, Narwhal or 

 Sea-Unicorn, White Whale, Pilot Whale or Black-Fish, Killer Whale 

 or Grampus. 



Delphinus delphis: The Common Dolphin. It is easily recognized 

 by its well-defined narrow beak and distinctive coloration, being 

 darker above than below. There is a narrow beak, which is sharply 

 marked off from the low recHning forehead by a V-shaped groove. A 

 length of up to 8/4 feet has been recorded. Range of distribution is 

 very wide. May be met in any temperate or warm sea throughout 

 the world, and occurs at times in vast schools. 



Delphinus roseiventris: The Red-Bellied Dolphin. Moluccas and 

 Torres Straits, Australia; 3 feet 10 inches. 



Prodelphinus attenuatus: Tropical and sub-tropical parts of Atlan- 

 tic Ocean; 6 feet. 



P. plagiodon: Atlantic coast of North America from Cape Hat- 

 teras, Gulf of Mexico; 7 feet. 



24 



