Amphicynodon

Amphicynodon was an extinct genus of caniform carnivore. It has traditionally been considered early bear,[1] although recent evidence has suggested it may be a unique member linked to other pinnipeds. It was endemic to Europe and Asia during the Oligocene, from approximately 33.9—28.4 Mya and existing for approximately 6 million years. It was similar in size to early mustelids.

Amphicynodon
Temporal range:
Dorsolateral aspect of skull in Amphicynodon teilhardi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: †Amphicynodontidae
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:

References
  1. Finarelli, John A. (2008). "A Total Evidence Phylogeny of the Arctoidea (Carnivora: Mammalia): Relationships Among Basal Taxa". Journal of Mammalian Evolution. 15 (4): 231–259. doi:10.1007/s10914-008-9074-x. S2CID 43524602.
  2. Paleobiology database: Ronzon collection

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


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