Kamtschatarctos

{{Short description|Extinct genus of carnivores}}

{{Speciesbox

| fossil_range = Early Miocene, {{Fossil range|15.97|11.608}}

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| genus = Kamtschatarctos

| parent_authority = Dubrovo, 1981

| species = sinelnikovae

| authority = 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.{{Cite journal |title=A Reevaluation of the Morphology, Paleoecology, and Phylogenetic Relationships of the Enigmatic Walrus Pelagiarctos |last1=Boessenecker |first1=Robert W. |last2=Churchill |first2=Morgan |journal = PLOS ONE|volume = 8|issue = 1|pages = e54311|date=2013-01-16 |doi=10.1371/journal.pone.0054311 |pmc=3546998 |pmid=23342129 |bibcode=2013PLoSO...854311B |doi-access=free }}{{Cite journal |url=https://www.researchgate.net/publication/230021150 |title=A primitive walrus of Early Pliocene age from Japan |last=Horikawa |first=Hideo |date=2006-04-05 |website=Island Arc |pages=309–328 |doi=10.1111/j.1440-1738.1994.tb00118.x |access-date=2019-12-04}}{{Cite web|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=72004|title=Fossilworks: Kamtschatarctos sinelnikovae|website=fossilworks.org|access-date=17 December 2021}} It belonged to the family Odobenidae, the only extant species of which is the walrus.{{Cite web |url=http://paleobiodb.org/classic/basicTaxonInfo?taxon_no=36922 |title=†Kamtschatarctos Dubrovo 1981 (walrus) |website=Paleobiology Database |access-date=2019-12-04}}