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Artiodactyl. The Artiodactyla are even-toed ungulates, an order of mammals. They have an even number of toes: two or four. For example, camelids or animals of the Giraffidae family have two toes, but hippopotami have four toes.
Artiodactyls are placental mammals belonging to the order Artiodactyla. Typically, they are ungulates which bear weight equally on two of their five toes: the third and fourth, often in the form of a hoof. The other three toes are either present, absent, vestigial, or pointing posteriorly.
Artiodactyl - Hoofed, Even-Toed, Grazing: Artiodactyls have large stomachs and long intestines in order to digest plant food. Morphological characteristics include the weight-bearing axis of the leg passing through the third and fourth toes, and the astragalus.
Suidae is a family of artiodactyl mammals which are commonly called pigs, hogs or swine. In addition to numerous fossil species, 18 extant species are currently recognized (or 19 counting domestic pigs and wild boars separately), classified into between four and eight genera.
Artiodactyls exhibit a great deal of variation in physical appearance. Body mass ranges from 4000 kg in hippos to 2 kg in lesser Malay mouse deer. Height ranges from 5 m in giraffes to 23 cm in lesser Malay mouse deer. Most artiodactyls have laterally positioned eyes, often with long eyelashes.
Home Science Mammals Hoofed Mammals. Evolution and paleontology. The artiodactyls can be traced back to a probable descent from a group of early generalized mammals called condylarths and were certainly distinct by the Eocene Epoch, which ended about 33.9 million years ago.
A Dictionary of Biology. artiodactyl. views 1,928,911 updated Jun 27 2018. ar·ti·o·dac·tyl / ˌärtē-ōˈdaktl / • n. any ungulate mammal of the order Artiodactyla, with two main toes on each foot, including camels, pigs, hippopotamuses, and ruminants. • adj. of or relating to artiodactyls. The Oxford Pocket Dictionary of Current English.
