APPENDIX B 667 



Superfamily 2. Tapirlike Animals. Includes the tapirs (Tapiridae) and 

 rhinoceroses (Rhinocerotidae), with other families. 

 Order 15. The Even-toed Ungulates. (Artiodactyla.) 



Suborder 1. The Swine Series. (Suina.) Includes the swine (Suidae), 

 peccaries (Tayassuidae), hippopotamuses (Hippopotamidae), and other 

 families. 

 Suborder 2. The Ruminant Series (Ruminantia). 



Infraorder 1 . The Camel Series. (Tylopoda.) Includes the camels and 

 llamas (Camelidae), oreodonts (*Oreodontidae), giant "pigs" (*Agri- 

 ochaeridae), and other families. 

 Infraorder 2. The Deer Series. (Pecora.) Includes the mouse deer 

 (Tragulidae), deer (Cervidae), giraffes (Giraffidae), prongbucks 

 (Antilocapridae), and antelopes, musk oxen, mountain sheep, true 

 sheep, goats, cattle and bison (Bovidae). 

 Order 16. The Edentates. (Edentata or Xenarthra.) Includes the ground- 

 sloths, sloths, anteaters, and armadillos. 

 Order 17. The Scaly Anteaters. (Pholidota.) 

 Order 18. The Cetaceans. (Cetacea.) Includes the dolphins, toothed whales, 



and whalebone whales. 

 Order 19. The Rodents. (Rodentia.) 



Suborder 1. The Squirrel Series. (Sciuromorpha.) Includes the squirrels, 

 flying squirrels, chipmunks and woodchucks (Sciuridae), beavers 

 (Castoridae), pocket gophers or "salamanders" (Geomyidae), pocket 

 mice and kangaroo rats (Heteromyidae), and others. 

 Suborder 2. The Porcupine Series. (Hystricomorpha.) Includes the 

 porcupines (Erythizontidae), cavies or guinea pigs and capybaras 

 (Caviidae), chinchillas (Chinchillidae.) 

 Suborder 3. The Rats and Mice. (Myomorpha.) Includes the jumping 

 mice (Zapodidae) and the true rats and mice (Muridae.) 

 Order 20. The Rabbits and Hares. (Lagomorpha.) Treated as a suborder 

 of the Rodentia in older classifications. Includes the pikas or conies 

 (Ochotonidae) and the hares and rabbits (Leporidae). 



