Amphicynodon

Amphicynodon
Temporal range: Oligocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Suborder: Caniformia
Superfamily: Arctoidea
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)

Amphicynodon is an extinct genus of mammal of the family Ursidae, endemic to Europe and Asia during the Oligocene, living from ~33.9—28.4 Mya, existing for approximately 5.5 million years.

Amphicynodon is a small basal member of Ursidae similar to early Mustelids in both size and existence.

Taxonomy

Amphicynodon was named by Filhol (1881). It was assigned to Phocoidea by McKenna and Bell (1997) then to Ursidae by Filhol (1881) and Hunt (1998); and to Ursidae also by Wang et al. (2005).[1][2]

Fossil distribution

Sites and specimen ages:

References

  • Rose, Kenneth David, The beginning of the age of mammals,The Johns Hopkins University Press (September 26, 2006)
  1. ↑ M. C. McKenna and S. K. Bell. 1997. Classification of Mammals Above the Species Level 1-640
  2. ↑ X. Wang, M. C. McKenna, and D. Dashzeveg. 2005. Amphicticeps and Amphicynodon (Arctoidea, Carnivora) from Hsanda Gol Formation, Central Mongolia and phylogeny of basal arctoids with comments on zoogeography. American Museum Novitates 3483:1-57
  3. ↑ Paleobiolgy database: Ronzon collection


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