| Subdromomeryx Temporal range: | |
|---|---|
 | |
| Restoration of Subdromomeryx antilopinus by Robert Bruce Horsfall | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | † Dromomerycidae |
| Subfamily: | † Dromomerycinae |
| Genus: | † Subdromomeryx Scott, 1894 |
Subdromomeryx is an extinct genus of Artiodactyla, of the family Palaeomerycidae, endemic to North America. [1]
Tylopoda is a suborder of terrestrial herbivorous even-toed ungulates belonging to the order Artiodactyla. They are found in the wild in their native ranges of South America and Asia, while Australian feral camels are introduced. The group has a long fossil history in North America and Eurasia. Tylopoda appeared during the Eocene around 50 million years ago.
The bovid subfamily Reduncinae or tribe Reduncini is composed of nine species of antelope, all of which dwell in marshes, floodplains, or other well-watered areas, including the waterbucks and reedbucks. These antelopes first appear in the fossil record 7.4 million years ago in Eurasia and 6.6 Mya in Africa.
Daeodon is an extinct genus of entelodont even-toed ungulates that inhabited North America about 23 to 20 million years ago during the latest Oligocene and earliest Miocene. The type species is Daeodon shoshonensis, described by a very questionable holotype by Cope. Some authors synonymize it with Dinohyus hollandi and several other species, but due to the lack of diagnostic material, this is questionable at best.
Ferungulata is a grandorder of placental mammals that groups together mirorder Ferae and clade Pan-Euungulata. It has existed in two guises, a traditional one based on morphological analysis and a revised one taking into account more recent molecular analyses. The Fereungulata is a sister group to the order Chiroptera (bats) and together they make clade Scrotifera.
The John Day Formation is a series of rock strata exposed in the Picture Gorge district of the John Day River basin and elsewhere in north-central Oregon in the United States. The Picture Gorge exposure lies east of the Blue Mountain uplift, which cuts southwest–northeast through the Horse Heaven mining district northeast of Madras. Aside from the Picture Gorge district, which defines the type, the formation is visible on the surface in two other areas: another exposure is in the Warm Springs district west of the uplift, between it and the Cascade Range, and the third is along the south side of the Ochoco Mountains. All three exposures, consisting mainly of tuffaceous sediments and pyroclastic rock rich in silica, lie unconformably between the older rocks of the Clarno Formation below and Columbia River basalts above.
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 3 million years. Pseudoprotoceras resembled hornless deer, but were more closely related to camelids.
Camelinae is a subfamily of artiodactyls of the family Camelidae. Camelinae include the tribes Camelini and Lamini. A third tribe, Camelopini, created by S. D. Webb (1965), was formerly included, but was discarded by J. A. Harrison (1979) after it was shown to be polyphyletic: it consisted of the genera Camelops and Megatylopus, which were moved to Camelini and Lamini respectively.
Anoplotheriidae is an extinct family of artiodactyl ungulates. They were endemic to Europe during the Eocene and Oligocene epochs about 44—30 million years ago. Its name is derived from the Ancient Greek: ἂνοπλος ("unarmed") and θήριον ("beast"), translating as "unarmed beast".
Palaeomeryx is an extinct genus of Artiodactyla, of the family Palaeomerycidae, endemic to Europe and Asia from the Miocene epoch, 16.9 – 7.25 Ma, existing for approximately 9.65 million years.
Procranioceras is an extinct genus of Artiodactyla, of the family Dromomerycidae, endemic to North America. It lived during the Middle Miocene, 16.0—13.6 Ma, existing for approximately 2.4 million years. Fossils have been found from Florida, Saskatchewan, and Nebraska.
Notochoerus is an extinct genus of very large pigs from the subfamily Tetraconodontinae. Fossils have been found in Africa, notably Uganda and Ethiopia.
Chleuastochoerus is an extinct genus in the pig family that lived in the Miocene and Pliocene in Russia and Eastern Asia.
Dromomeryx is an extinct genus of Artiodactyla, of the family Dromomerycidae, endemic to North America.
Togocetus is a genus of extinct cetacean from the Lutetian of Togo, known from a fossilized skeleton discovered a few kilometers north-east of Lomé.
Proentelodon is an extinct genus of entelodont artiodactyl from the Middle Eocene of Mongolia. P. minutus is the oldest representative of the family Entelodontidae, P. minutus gen. et sp. nov, is described from the Middle Eocene Khaichin Ula II Fauna in Mongolia. The placement of the genus in the entelodonts has been questioned by other authors, but its placement as related to the group has been supported by some cladistic analyses.
Gagadon is an extinct genus of even-toed ungulate that lived in the early Eocene of North America. The type and only known species, Gagadon minimonstrum, was described in 2014 based on lower teeth and jaw fragments found in the Wasatch Formation of Bitter Creek, Wyoming. The genus is named in honor of the singer Lady Gaga, while the species name minimonstrum refers to the small size and presence of unusual cusps on the teeth.
Shirley Cameron Coryndon (1926–1976) was a British paleontologist and authority on fossil hippopotami.
Microbunodon was a genus of extinct artiodactyl mammals in the family Anthracotheriidae. It lived between the upper Eocene and the lower Pliocene. Its fossil remains have been found in Europe and Asia.
Rhinoclemmys panamaensis is an extinct species of turtle belonging to the genus Rhinoclemmys of the family Geoemydidae known from the early to middle Miocene (Hemingfordian) Cucaracha Formation of the Panama Basin of central Panama.
Helohyidae were a group of artiodactyl mammals. They were most prominent in the mid-to-upper Eocene.
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