Behavior

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Perception Channels: tactile ; chemical

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Myers, P. 2000. "Odobenidae" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Odobenidae.html
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Morphology

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Other Physical Features: endothermic ; bilateral symmetry

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Myers, P. 2000. "Odobenidae" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Odobenidae.html
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Reproduction

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Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate); sexual

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Myers, P. 2000. "Odobenidae" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Odobenidae.html
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Odobenidae

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Odobenidae is a family of pinnipeds. The only living species is the walrus. 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.[1]

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):[3]

   

Enaliarctos emlongi

     

Pteronarctos goedertae

Desmatophocidae    

Allodesmus gracilis

   

Desmatophoca oregonensis

    Otariidae

Callorhinus ursinus

Phocidae

Monachus monachus

   

Erignathus barbatus

    Imagotariinae

Prototaria primigenia

     

Proneotherium regenningi

     

Neotherium mirum

   

Kamtschatarctos sinelnikovae

     

Pseudotaria muramotoi

       

Pelagiarctos sp. †

   

Imagotaria downsi

       

Pontolis magnus

    Dusignathinae

Dusignathus santacruzensis

   

Gomphotaria pugnax

   

Dusignathus seftoni

    Odobeninae

Aivukus cedrosensis

     

Protodobenus japonicus

     

Ontocetus

     

Valenictus chulavistensis

   

Odobenus rosmarus

                             

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.
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Odobenidae: Brief Summary

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Odobenidae is a family of pinnipeds. The only living species is the walrus. In the past, however, the group was much more diverse, and includes more than a dozen fossil genera.

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