Amphicyoninae
Encyclopedia
Amphicyoninae is a subfamily of extinct Amphicyonidae, large terrestrial
carnivore
s (bear-dogs) belonging to the suborder Caniformia
(meaning "dog-like") and which inhabited North America
, Europe
, Eurasia
, Asia
. and Africa
from ~22.4—4.9 Ma. Amphicyoninae existed for approximately ~.
Amphicyoninae was named by Trouessart (1885). It was assigned to Canidae by Matthew (1902); to Ursidae by Ginsburg (1977); and to Amphicyonidae by Hunt (1998).
Members include:
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...
carnivore
Carnivore
A carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of animal tissue, whether through predation or scavenging...
s (bear-dogs) belonging to the suborder Caniformia
Caniformia
Caniformia, or Canoidea , is a suborder within the order Carnivora. They typically possess a long snout and non-retractile claws . The Pinnipedia evolved from caniform ancestors and are accordingly assigned to this group...
(meaning "dog-like") and which inhabited 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...
, Eurasia
Eurasia
Eurasia is a continent or supercontinent comprising the traditional continents of Europe and Asia ; covering about 52,990,000 km2 or about 10.6% of the Earth's surface located primarily in the eastern and northern hemispheres...
, 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...
. and Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
from ~22.4—4.9 Ma. Amphicyoninae existed for approximately ~.
Amphicyoninae was named by Trouessart (1885). It was assigned to Canidae by Matthew (1902); to Ursidae by Ginsburg (1977); and to Amphicyonidae by Hunt (1998).
Members include:
- AmphicyonAmphicyonAmphicyon is an extinct genus of large carnivorous bone-crushing mammals, known as bear-dogs, of the family Amphicyonidae, subfamily Amphicyoninae, from the Aquitanian Epoch until the Tortonian...
, endemic to Europe and N. America - CynelosCynelosCynelos is a large extinct genus of terrestrial carnivores belonging to the suborder Caniformia, family Amphicyonidae , and which inhabited North America, Europe Asia, and Africa from the Early Miocene subepoch to the Late Miocene subepoch 24.8—7.2 Mya, existing for approximately .Dentition of...
, synonymous with Absonodaphoenus and Hecubides, endemic to N. America - IschyrocyonIschyrocyonIschyrocyon is an extinct genus of large, mostly carnivorous mammals known as bear dogs, of the family Amphicyonidae, subfamily Amphicyoninae, which inhabited North America during the Miocene living from ~16.3—10.3 Ma and existed for approximately .-Taxonomy:Ischyrocyon was named by Matthew and...
, synonymous with Hadrocyon, endemic to N. America - PliocyonPliocyonPliocyon is a physically large member of the extinct family Amphicyonidae of terrestrial carnivores belonging to the suborder Caniformia, and which inhabited North America from the Early Miocene subepoch to the Middle Miocene subepoch 20.6—13.6 Ma, existing for approximately .Pliocyon was named by...
, endemic to N. America - PseudocyonPseudocyonPseudocyon, also known as Amphicyonopsis, is an extinct genus of terrestrial carnivores belonging to the suborder Caniformia, family of Amphicyonidae and which inhabited Euroasia and North America from the Miocene epoch to the Late Miocene subepoch living 23.3—7.2 Mya...
, synonymous with Amphicyonopsis, endemic to Europe and N. America - ThaumastocyoniniThaumastocyoniniThaumastocyonini is an extinct tribe of large, carnivorous mammals known as bear dogs, of the family Amphicyonidae, subfamily Amphicyoninae, which inhabited Europe during the Miocene living from ~16.9—7.25 Ma and existed for approximately ....
, a tribeTribe (biology)In biology, a tribe is a taxonomic rank between family and genus. It is sometimes subdivided into subtribes.Some examples include the tribes: Canini, Acalypheae, Hominini, Bombini, and Antidesmeae.-See also:* Biological classification* Rank...
endemic to Europe - YsengriniaYsengriniaYsengrinia is an extinct genus of large, mostly carnivorous bone-crushing mammals known as bear dogs, of the family Amphicyonidae endemic to Europe, Africa, and North America during the Miocene living from 22.4—20 Ma and existed for approximately ....
, endemic to Europe and N. America
Fossil distribution
Specimens have been recovered from:- Midway Site, Gadsden County, FloridaGadsden County, FloridaGadsden County is a county located in the panhandle of the U.S. state of Florida. As of the 2000 census, the population was 45,087. The U.S. Census Bureau 2005 estimate for the county is 46,428 . Its county seat is Quincy, Florida. Gadsden County is the only predominantly African-American...
~18.9—18.8 Ma. - Rabbitt Creek Site, Meagher County, MontanaMeagher County, Montana-National protected areas:*Gallatin National Forest *Helena National Forest *Lewis and Clark National Forest -Demographics:As of the census of 2000, there were 1,932 people, 803 households, and 529 families residing in the county...
~21.7—18 Ma. - Grimes Landing Site, King William County, VirginiaKing William County, VirginiaAs of the census of 2000, there were 13,146 people, 4,846 households, and 3,784 families residing in the county. The population density was 48 people per square mile . There were 5,189 housing units at an average density of 19 per square mile...
~17.6 Ma. - Arrisdrift, NamibiaNamibiaNamibia, officially the Republic of Namibia , is a country in southern Africa whose western border is the Atlantic Ocean. It shares land borders with Angola and Zambia to the north, Botswana to the east and South Africa to the south and east. It gained independence from South Africa on 21 March...
~23.03—11.6 Ma. - Les Beilleaux, FranceFranceThe French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
~20—16.9 Ma.