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Kamtschatarctos

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Kamtschatarctos
Temporal range: Early Miocene, 15.97–11.608 Ma
Scientific classification Edit this 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

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

Taxonomy

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Kamtschatarctos is a relatively basal species of odobenid.

References

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  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.