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Skull of Merycoidodon culbertsoni. Most researchers in paleobiology and paleontology now use the antecedent genus Merycoidodon to refer to this Oligocene epoch oreodont, even though it was once widely known by the younger synonym of Oreodon.
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.
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.
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]
Andrewsarchus (/ ˌ æ n d r uː ˈ s ɑːr k ə s /), meaning "Andrews' ruler", is an extinct genus of artiodactyl that lived during the Middle Eocene in what is now China. The genus was first described by Henry Fairfield Osborn in 1924 with the type species A. mongoliensis based on a largely complete cranium.
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.
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.
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