Ungulate Zoo 
Ungulata, which used to be considered an order, has been split into the following: Perissodactyla (odd-toed ungulates) , Artiodactyla (even-toed ungulates) , Tubulidentata (aardvarks) , Hyracoidea (hyraxes) , Sirenia (dugongs and manatees) , Proboscidea (elephants) and occasionally Cetacea (whales and dolphins) . [5]

Ungulate Zoo