Although the specific construction of the talus supported a close relationship between artiodactyls and cetaceans, the question of whether the even-toed ungulates are paraphyletic was not answered. Source: Internet
As an adaptation to the indigestible plant food, artiodactyls have some peculiarities of the digestive tract developed which are especially strong in ruminants. Source: Internet
Conversely, many artiodactyls have declined significantly in their population, and some were even eradicated. Source: Internet
Humans have introduced different artiodactyls worldwide as hunting animals. Source: Internet
In addition, many smaller artiodactyls have a very flexible body, contributing to their speed by increasing their stride length. Source: Internet
Nevertheless, artiodactyls were far from dominant at that time: the perissodactyls were much more successful and far more numerous. Source: Internet