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Pseudoprotoceras is an extinct genus of Artiodactyla, of the family Protoceratidae, endemic to central North America. It lived during the Late Eocene 37.2—33.9 Ma, existing for approximately 1] Pseudoprotoceras resembled hornless [2] deer, but were more closely related to camelids.
Restoration. Metridiochoerus was a large animal, 1.5 metres (4.9 ft) in length, resembling a giant warthog.It had two large pairs of tusks which were pointed sideways and curved upwards. [4]
Protoceratidae is an extinct family of herbivorous North American artiodactyls (even-toed ungulates) that lived during the Eocene through Pliocene.While early members of the group were hornless, in later members males developed elaborate cranial ornamentation.
Anthracotheriidae is a paraphyletic family of extinct, hippopotamus-like artiodactyl ungulates related to hippopotamuses and whales.The oldest genus, Elomeryx, first appeared during the middle Eocene in Asia.
The order Artiodactyla consists of 349 extant species belonging to 132 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 132 genera can be grouped into 23 families; these families are grouped into named suborders and many are further grouped into named clades, and some of these families are subdivided into named subfamilies.
This category contains articles about extinct and prehistoric members of the order Artiodactyla, the even-toed ungulates Wikimedia Commons has media related to Extinct Artiodactyla . Subcategories
Climacoceras (from Greek for "ladder horns") is a genus of extinct artiodactyl ungulates that lived in Africa and Europe during the Miocene.The members of Climacoceras were related to giraffes, and the genus was formerly placed within the Giraffidae, but is now placed in the Climacoceratidae, a sister group within the superfamily Giraffoidea.
Catodontherium is an extinct genus of Palaeogene artiodactyls belonging to the family Anoplotheriidae.It was endemic to Western Europe and had a temporal range exclusive to the middle Eocene, although its earliest appearance depends on whether C. argentonicum is truly a species of Catodontherium.