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Odobenidae Temporal range: Middle Miocene to present
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Clade:	Pinnipedia
Superfamily:	Otarioidea
Family:	Odobenidae Allen, 1880
Genera
Odobenus (walrus) (see text for more)

Odobenidae is a family of pinnipeds, of which the only extant species is the walrus (Odobenus rosmarus). In the past, however, the group was much more diverse, and includes more than a dozen fossil genera.

Taxonomy

All genera, except Odobenus, are extinct.

• †Archaeodobenus
• †Prototaria
• †Proneotherium
• †Nanodobenus
• †Neotherium
• †Imagotaria
• †Kamtschatarctos
• †Pelagiarctos
• †Pontolis
• †Pseudotaria
• †Titanotaria
• Clade Neodobenia
  • †Gomphotaria
  • Subfamily Dusignathinae
    • †Dusignathus
  • Subfamily Odobeninae
    • †Aivukus
    • †Ontocetus
    • †Pliopedia
    • †Protodobenus
    • †Valenictus
    • Odobenus

In re-analyzing Pelagiarctos, Boessenecker et al. (2013) proposed the phylogenetic relationships of Odobenidae as follows (this analysis excluded Archaeodobenus, Titanotaria, Nanodobenus, and Pliopedia; and included Enaliarctos, Pteronarctos, Allodesmus, Desmatophoca, Callorhinus, Monachus, and Erignathus):

References

1. Berta A, Sumich J, Kovacs K (December 2005). Marine Mammals: Evolutionary Biology (2nd ed.). Elsevier/Academic Press. ISBN 978-0-08-048934-6.
2. Magallanes I, Parham JF, Santos GP, Velez-Juarbe J (2018). "A new tuskless walrus from the Miocene of Orange County, California, with comments on the diversity and taxonomy of odobenids". PeerJ. 6: e5708. doi:10.7717/peerj.5708. PMC 6188011. PMID 30345169.
3. Boessenecker RW, Churchill M (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.

Further reading

• Jouventin P, Cornet A (1981-01-29). "The Sociobiology of Pinnipeds". In Rosenblatt JS, Hinde RA, Beer C, Busnell MC (eds.). Advances in the Study of Behavior. Vol. 11. Academy Press. p. 122. ISBN 0-12-004511-7.

v t e Genera of pinnipeds and their stem-allies
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Suborder: Caniformia Infraorder: Arctoidea
Pan-Pinnipedia †Amphicynodontidae Allocyon Amphicticeps Amphicynodon Drassonax Kolponomos Pachycynodon Parictis Wangictis †Semantoridae Necromites Potamotherium Puijila Semantor Pinnipedimorpha †Enaliarctos Pinnipediformes †Pacificotaria †Pinnarctidion †Pteronarctos Pinnipedia Phocidae †Devinophoca Monachinae †Magnotherium Monachini †Afrophoca †Auroraphoca †Messiphoca Monachus Neomonachus †Eomonachus †Noriphoca †Palmidophoca †Pliophoca †Pontophoca †Pristiphoca †Terranectes Miroungini †Callophoca Mirounga Lobodontini †Acrophoca †Australophoca †Hadrokirus †Homiphoca Hydrurga Leptonychotes Lobodon Ommatophoca †Piscophoca †Properiptychus †Virginiaphoca Phocinae †Cryptophoca †Frisiphoca †Kawas †Leptophoca †Monachopsis †Monotherium †Phocanella †Prophoca †Sarmatonectes Erignathini Erignathus †Platyphoca Cystophorini Cystophora †Miophoca †Pachyphoca Phocini †Batavipusa †Gryphoca Halichoerus Histriophoca †Nanophoca Pagophilus Phoca †Planopusa †Praepusa Pusa Otarioidea see below↓
Otarioidea †Desmatophocidae Allodesmus Atopotarus Desmatophoca Eodesmus Odobenidae †Archaeodobenus †Imagotaria †Kamtschatarctos †Nanodobenus †Neotherium †Osodobenus †Pelagiarctos †Pontolis †Proneotherium †Prototaria †Pseudotaria †Titanotaria Neodobenia †Dusignathinae Dusignathus Gomphotaria Odobeninae †Aivukus Odobenus †Ontocetus †Pliopedia †Protodobenus †Valenictus Panotariidae †Eotaria Otariidae Callorhinae Callorhinus †Pithanotaria Otariinae †Thalassoleon Zalophini Eumetopias †Oriensarctos †Proterozetes Zalophus Otariini Arctocephalus Arctophoca †Hydrarctos Neophoca Otaria Phocarctos
Lists List of pinnipeds List of fossil pinnipedimorphs

• Pinnipeds
• Mammal families
• Odobenids
• Taxa named by Joel Asaph Allen
• Extant Miocene first appearances