Amphicynodon

Amphicynodon is an extinct genus of early bear, endemic to Europe and Asia during the Oligocene. It lived from ~33.9—28.4 Mya, existing for approximately 6 million years. It was a small basal member of the bear family, similar in size to early Mustelids.

Amphicynodon Temporal range: Oligocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Family:	Ursidae
Subfamily:	†Amphicynodontinae
Genus:	†Amphicynodon Filhol, 1881
Type species
†Amphicynodon velaunus Aymard, 1846
Species
†A. mongoliensis Janovskaja, 1970 †A. teilhardi Matthew and Granger, 1924 †A. typicus Schlosser, 1888 †A. chardini Cirot and De Bonis, 1992 †A. cephalogalinus Teilhard, 1915 †A. gracilis Filhol, 1874 †A. crassirostris Filhol, 1876 †A. brachyrostris Filhol, 1876 †A. leptorhynchus Filhol, 1874 †A. velaunus Aymard, 1846
Synonyms
Cynodon Aymard 1848

Not to be confused with Amphicyon.

Fossil distribution

Some sites:

• Ulaan Khongil, Mongolia
• Ronzon site, Auvergne France[1]

References

1. Paleobiology database: Ronzon collection

• Rose, Kenneth David, The beginning of the age of mammals,The Johns Hopkins University Press (September 26, 2006)