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]
| Kamtschatarctos Temporal range: Early Miocene,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Clade: | Pinnipedia |
| Family: | Odobenidae |
| Genus: | †Kamtschatarctos Dubrovo, 1981 |
| Species: | †K. sinelnikovae
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| Binomial name | |
| †Kamtschatarctos sinelnikovae Dubrovo, 1981
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Discovery
editKamtschatarctos sinelnikovae is known from a partially complete skeleton, discovered in the Etolon Formation in Russia.
Taxonomy
editKamtschatarctos is a relatively basal species of odobenid.
References
edit- ^ 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.
- ^ 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.
- ^ "Fossilworks: Kamtschatarctos sinelnikovae". fossilworks.org. Retrieved 17 December 2021.
- ^ "†Kamtschatarctos Dubrovo 1981 (walrus)". Paleobiology Database. Retrieved 2019-12-04.