Kamtschatarctos

Kamtschatarctos Temporal range: Early Miocene, 15.97–11.608  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Clade:	Pinnipedia
Family:	Odobenidae
Genus:	† Kamtschatarctos Dubrovo, 1981
Species:	†K. sinelnikovae
Binomial name
†Kamtschatarctos sinelnikovae Dubrovo, 1981

Kamtschatarctos is an extinct genus of pinniped that lived approximately 15.97 to 11.608 mya during the Early Miocene in the Kavran-Ukhtolok Bay of Russia's Kamchatka Peninsula. ^{[1] [2] [3]} It belonged to the family Odobenidae, the only extant species of which is the walrus. ^[4]

Discovery

Kamtschatarctos sinelnikovae is known from a partially complete skeleton, discovered in the Etolon Formation in Russia.

Taxonomy

Kamtschatarctos is a relatively basal species of odobenid.

References

1. Boessenecker, Robert W.; Churchill, Morgan (2013-01-16). "A Reevaluation of the Morphology, Paleoecology, and Phylogenetic Relationships of the Enigmatic Walrus Pelagiarctos". PLOS ONE. 8 (1): e54311. Bibcode:2013PLoSO...854311B. doi: 10.1371/journal.pone.0054311 . PMC   3546998 . PMID   23342129.
2. Horikawa, Hideo (2006-04-05). "A primitive walrus of Early Pliocene age from Japan". Island Arc: 309–328. doi:10.1111/j.1440-1738.1994.tb00118.x . Retrieved 2019-12-04.
3. "Fossilworks: Kamtschatarctos sinelnikovae". fossilworks.org. Retrieved 17 December 2021.
4. "†Kamtschatarctos Dubrovo 1981 (walrus)". Paleobiology Database . Retrieved 2019-12-04.