Noun
One of the divisions of the ungulate animals. The functional toes of the hind foot are even in number, and the third digit of each foot (corresponding to the middle finger in man) is asymmetrical and paired with the fourth digit, as in the hog, the sheep, and the ox; -- opposed to Perissodactyla.
Source: Webster's dictionaryThe aquatic Cetaceans evolved from even-toed ungulate ancestors, and modern taxonomic classification therefore subsumes Artiodactyla and Cetacea into Cetiartiodactyla. Source: Internet
These methods were performed between even-toed ungulates and cetaceans with the surprising result that the closest living relatives of the whales and hippopotamuses is the paraphyletic group Artiodactyla. Source: Internet
The term was coined by merging the name for the two orders, Cetacea and Artiodactyla, into a single word. Source: Internet
Evolution Uintatherium anceps Cladogram showing relations within Ungulata Perissodactyla and Artiodactyla include the majority of large land mammals. Source: Internet