Artiodactyl

Zoology. having an even number of toes or digits on each foot.
a hoofed, even-toed mammal of the order Artiodactyla, comprising the pigs, hippopotamuses, camels, deer, giraffes, pronghorns, sheep, goats, antelope, and cattle.
Historical Examples

The artiodactyl group must have quickly branched in turn, as we find very primitive hogs and camels before the end of the Eocene.
The Story of Evolution Joseph McCabe

One leading to the existing perissodactyl foot, and the other, apparently later, resulting in the artiodactyl type.
Darwin, and After Darwin (Vol. 1 and 3, of 3) George John Romanes

Or, to put it more definitely: hoofed animals are divided into two groups, even-toed (artiodactyl) and odd-toed (perissodactyl).
Evolution Joseph Le Conte

The great group is now usually divided into those that are odd-toed (Perissodactyl) and those that are even-toed (artiodactyl).
The Chain of Life in Geological Time Sir J. William Dawson

noun
any placental mammal of the order Artiodactyla, having hooves with an even number of toes; an even-toed ungulate. The order includes pigs, hippopotamuses, camels, deer, cattle, and antelopes
adjective
of, relating to, or belonging to the order Artiodactyla
artiodactyl
(är’tē-ō-dāk’təl)
Any of various hoofed mammals of the order Artiodactyla, having an even number of toes on each foot. Artiodactyls include the pig, sheep, ox, deer, giraffe, and hippopotamus. Also called even-toed ungulate.