Rahul Sharma (Editor)

Amphicyoninae

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Kingdom
  
Animalia

Class
  
Mammalia

Suborder
  
Caniformia

Phylum
  
Chordata

Order
  
Carnivora

Superfamily
  
Arctoidea

Amphicyoninae is a subfamily of extinct Amphicyonidae, large terrestrial carnivores (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 ~17.5 million years.

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).

Better known genera include:

  • Amphicyon, found in both Europe and N. America
  • Cynelos, synonyms include Absonodaphoenus and Hecubides, endemic to N. America
  • Ischyrocyon, Hadrocyon is a synonym, endemic to N. America
  • Pliocyon, endemic to N. America
  • Pseudocyon, Amphicyonopsis is a synonym, endemic to Europe and N. America
  • Thaumastocyonini, a tribe endemic to Europe
  • Ysengrinia, found in both Europe and N. America

    • Fossil distribution

    Specimens have been recovered from:

  • Midway Site, Gadsden County, Florida ~18.9—18.8 Ma.
  • Rabbitt Creek Site, Meagher County, Montana ~21.7—18 Ma.
  • Grimes Landing Site, King William County, Virginia ~17.6 Ma.
  • Arrisdrift, Namibia ~23.03—11.6 Ma.
  • Les Beilleaux, France ~20—16.9 Ma.

    • References

    Amphicyoninae Wikipedia
    (Text) CC BY-SA