Yumaceras
Encyclopedia
Yumaceras is an extinct genus
of horse-like Artiodactyla, of the family Palaeomerycidae
, endemic to North America
, Europe
and Asia
from the Miocene
epoch, 13.6—5.33 Ma, existing for approximately .
by Savage (1941) and Janis and Manning (1998); it was reranked as Pediomeryx (Yumaceras) by Webb (1983); it was synonymized subjectively with Cranioceras
by Tedford et al. (1987). It was assigned to Pediomeryx by Webb (1983); and to Cranioceratini by Prothero and Liter (2007).
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of horse-like Artiodactyla, of the family Palaeomerycidae
Palaeomerycidae
Palaeomerycidae is an extinct family of ruminants , probably ancestral to deer and musk deer...
, endemic to North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
, Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
and Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
from the Miocene
Miocene
The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...
epoch, 13.6—5.33 Ma, existing for approximately .
Taxonomy
Yumaceras was named by Frick (1937). It was synonymized subjectively with PediomeryxPediomeryx
Pediomeryx is an extinct genus of Artiodactyla, of the family Palaeomerycidae, endemic to North America from the early Miocene epoch 10.3—4.9 Ma, existing for approximately .-Taxonomy:Pediomeryx was named by Stirton...
by Savage (1941) and Janis and Manning (1998); it was reranked as Pediomeryx (Yumaceras) by Webb (1983); it was synonymized subjectively with Cranioceras
Cranioceras
Cranioceras is an extinct genus of artiodactyl from the Miocene to the Pliocene in the United States.-Sources:* After the Dinosaurs: The Age of Mammals by Donald R...
by Tedford et al. (1987). It was assigned to Pediomeryx by Webb (1983); and to Cranioceratini by Prothero and Liter (2007).
Fossil distribution
- Norris Canyon, Contra Costa County, CaliforniaContra Costa County, CaliforniaContra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...
- Cambridge Site, Frontier County, NebraskaFrontier County, Nebraska-History:Frontier County was formed in 1872. It was named for its location along the frontier border in the late 19th century.-Demographics:As of the census of 2000, there were 3,099 people, 1,192 households, and 828 families residing in the county. The population density was 3 people per square...
- Haile V/XIXAHaile Quarry siteThe Haile Quarry or Haile sites are an Early Miocene and Pleistocene assemblage of vertebrate fossils located in the Haile quarries, Alachua County, northern Florida. The assemblage was discovered during phosphate mining, which began in the late 1940s. Haile sites are found in the Alachua Formation...
, Alachua County, FloridaAlachua County, FloridaAlachua County is a county located in the U.S. state of Florida. The U.S. Census Bureau 2006 estimate for the county is 227,120. Its county seat is Gainesville, Florida. Alachua County is the home of the University of Florida and is also known for its diverse culture, local music, and artisans...