CLASSIFICATION. 45 



Family Squalodontidae. Squalodon. 

 Family Platanistidae. Platanista Gangetic dolphin. 

 Inia. 



Pontoporia. 

 Family Delphinidae. Monodon narwhal. 



Phocaena porpoise. 



Orca killer. 



Globicephalus Ca'ing whale. 



Grampus. 



Lagenorhynchus. 



Delphinus dolphin. 



Tursiops. 



Prodelphinus. 



Order 4. UNGULATA. 

 Division A. UNGULATA VERA. 

 Suborder (1). ARTIODACTYLA. 



Section (a). SUINA. 



Family Hippopotamidae. Hippopotamus. 

 Family Suidae. Sus pig. 

 Babirussa. 



Phacochaerus wart hog. 

 Hyotherium. 

 Family Cotylopidae. Cotylops (Oreodon). 



Cyclopidius. 



Family Agriochoeridae. Agriochoerus. 

 Family Anoplotheriidae. Anoplotherium. 



Section (b). TFLOPODA. 

 Family Camelidae. Camelus camel. 



A uchenia llama. 

 Section (c). TRAGULINA. 



Family Tragulidae. Dorcatherium (Hyomoschus) 

 chevrotain. 



