Odobenus rosmarus

(Linnaeus, 1758)

Walrus

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Laurasiatheria
Order : Carnivora
Suborder : Caniformia
Infraorder : Arctoidea
Superfamily : Phocoidea
Family : Odobenidae
Genus : Odobenus

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Linnaeus, C. 1758-01-01. Systema Naturæ per Regna Tria Naturæ, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Tomus I. Editio Decima, Reformata. Laurentii Salvii, Stockholm, 823 pp.

Authority publication link

https://www.biodiversitylibrary.org/page/25033830

Original name as described

Phoca rosmarus

Other common names

Atlantic Walrus · Laptev Walrus · Pacific Walrus

Type material

lost (number not known)

Type kind

nonexistent

Type locality

"intra Zonam arcticam Europæ, Asiæ, Americæ."

Biogeographic realm

Nearctic · Palearctic

Country distribution

Canada · Greenland · Russia · Norway · Belgium? · Denmark? · Finland? · France? · Germany? · Iceland? · Japan? · Netherlands? · Spain? · Sweden? · United Kingdom? · United States?

Subregion distribution

USA(AK,ME?,MD?)

IUCN Red List status

Vulnerable

Species Permalink

https://www.mammaldiversity.org/taxon/1005894

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Known distribution is shown in green and predicted distribution is in yellow. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Phoca rosmarus

(Linnaeus, 1758)

Family

Odobenidae

Root name

rosmarus

Validity status

species

Nomenclatural status

available

Type

lost (number not known)

Type kind

nonexistent

Authority page

38

Authority page URI

https://www.biodiversitylibrary.org/page/25033830

Authority publication

Stockholm

Rosmarus arcticus

(Pallas, 1811)

Family

Odobenidae

Root name

arcticus

Validity status

synonym

Nomenclatural status

nomen_novum

Type

lost (number not known)

Type kind

nonexistent

Authority page

269

Authority page URI

https://www.biodiversitylibrary.org/page/29114202

Authority publication

Saint Petersburg

Name usages

Wozencraft (2005) (information at https://hesperomys.com/a/8533)

Trichechus divergens

(Illiger, 1815)

Family

Odobenidae

Root name

divergens

Validity status

synonym

Nomenclatural status

available

Type

lost (number not known)

Type kind

nonexistent

Authority page

68

Authority page URI

https://www.biodiversitylibrary.org/page/11080924

Authority publication

Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften

Hemicaulodon effodiens

(Cope, 1869)

Family

Odobenidae

Root name

effodiens

Validity status

synonym

Nomenclatural status

available

Type

untraced (number not known)

Type kind

holotype

Authority page

191

Authority page URI

https://www.biodiversitylibrary.org/page/31205052

Authority publication

Proceedings of the American Philosophical Society

Odobenus obesus antiquus

Kardas, 1965

Family

Odobenidae

Root name

antiquus

Validity status

synonym

Nomenclatural status

available

Type

YPM VPPU 016930, YPM VPPU 016931

Type kind

syntypes

Type specimen URI

http://collections.peabody.yale.edu/search/Record/YPM-VPPU-016930 http://collections.peabody.yale.edu/search/Record/YPM-VPPU-016931

Authority publication

Boletín de la Real Sociedad Española de Historia Natural

Trichechus Rosmarus

(Erxleben, 1777)

Family

Odobenidae

Root name

rosmarus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

593

Authority page URI

https://www.biodiversitylibrary.org/page/15873390

Authority publication

Leipzig

Name usages

  1. Erxleben (1777:593, https://www.biodiversitylibrary.org/page/15873390) (information at https://hesperomys.com/a/36060)
  2. Fischer (1814:xxi, https://www.biodiversitylibrary.org/page/29130082) (information at https://hesperomys.com/a/12226)
  3. Illiger (1815:64, https://www.biodiversitylibrary.org/page/11080920) (information at https://hesperomys.com/a/38688)
  4. Lesson (1827:208, https://www.biodiversitylibrary.org/page/54207676) (information at https://hesperomys.com/a/36839)
  5. Nilsson (1841:322, https://www.biodiversitylibrary.org/page/9707205) (information at https://hesperomys.com/a/65304)
  6. Lesson (1842:85) (information at https://hesperomys.com/a/36812)
  7. Blyth (1863:79, https://www.biodiversitylibrary.org/page/47534760) (information at https://hesperomys.com/a/37155)

Trichecus rosmarus

(G. Cuvier, 1797)

Family

Odobenidae

Root name

rosmarus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

172

Authority page URI

https://www.biodiversitylibrary.org/page/11637254

Authority publication

Paris

Name usages

  1. Cuvier (1797:172, https://www.biodiversitylibrary.org/page/11637254) (information at https://hesperomys.com/a/38531)
  2. Daudin (1802:192, https://www.biodiversitylibrary.org/page/42033442) (information at https://hesperomys.com/a/64044)

Fricheus Rosmarus

(Godman, 1826)

Family

Odobenidae

Root name

rosmarus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

354

Authority page URI

https://www.biodiversitylibrary.org/page/49165666

Authority publication

Philadelphia

Name usages

Godman (1826:354, https://www.biodiversitylibrary.org/page/49165666) (information at https://hesperomys.com/a/67289)

Trichecus arcticus

(Billberg, 1827)

Family

Odobenidae

Root name

arcticus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

32

Authority publication

Stockholm

Name usages

Billberg (1827:32) (information at https://hesperomys.com/a/67228)

Odobaenus rosmarus

F. W. True, 1885

Family

Odobenidae

Root name

rosmarus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

608

Authority page URI

https://www.biodiversitylibrary.org/page/7306402

Authority publication

Proceedings of the United States National Museum

Name usages

  1. True (1885:608, https://www.biodiversitylibrary.org/page/7306402) (information at https://hesperomys.com/a/35039)
  2. Ward (1910:515, https://www.biodiversitylibrary.org/page/15016158) (information at https://hesperomys.com/a/39628)

Odobænus rosmarus obesus

J. R. Ward, 1910

Family

Odobenidae

Root name

obesus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

516

Authority page URI

https://www.biodiversitylibrary.org/page/15016159

Authority publication

London

Name usages

Ward (1910:516, https://www.biodiversitylibrary.org/page/15016159) (information at https://hesperomys.com/a/39628)

Odobenus rosmarus

Corbet & J. Edwards Hill, 1980

Family

Odobenidae

Root name

rosmarus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

106

Authority publication

London

Name usages

  1. Corbet & Hill (1980:106) (information at https://hesperomys.com/a/63069)
  2. Honacki, Kinman & Koeppl (1982:286) (information at https://hesperomys.com/a/63071)
  3. Wozencraft (2005) (information at https://hesperomys.com/a/8533)
  4. O'Brien, Menninger & Nash (2006:532) (information at https://hesperomys.com/a/7321)
  5. Mittermeier & Wilson (2014:118) (information at https://hesperomys.com/a/67175)
  6. Mammal Diversity Database (2018:ID #15106) (information at https://hesperomys.com/a/67336)
  7. Mammal Diversity Database (2019:ID #15106) (information at https://hesperomys.com/a/67337)
  8. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1005894) (information at https://hesperomys.com/a/67250)
  9. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/15106/45228501) (information at https://hesperomys.com/a/67246)

Odobenus rosmarus divergens

Wozencraft, 2005

Family

Odobenidae

Root name

divergens

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Wozencraft (2005) (information at https://hesperomys.com/a/8533)
  2. Mittermeier & Wilson (2014:118) (information at https://hesperomys.com/a/67175)

Odobenus rosmarus rosmarus

Wozencraft, 2005

Family

Odobenidae

Root name

rosmarus

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Wozencraft (2005) (information at https://hesperomys.com/a/8533)
  2. Mittermeier & Wilson (2014:118) (information at https://hesperomys.com/a/67175)

Odobenus odobenus

Brisson, 1762

Family

Odobenidae

Root name

odobenus

Validity status

synonym

Nomenclatural status

inconsistently_binominal

Authority page

30

Authority page URI

https://www.biodiversitylibrary.org/page/28278505

Authority publication

Leiden

Rosmarus Morsus

(P. Boddaert, 1785)

Family

Odobenidae

Root name

morsus

Validity status

synonym

Nomenclatural status

available

Authority page

169

Authority page URI

https://www.biodiversitylibrary.org/page/28230133

Authority publication

Rotterdam

Trichechus obesus

(Illiger, 1815)

Family

Odobenidae

Root name

obesus

Validity status

synonym

Nomenclatural status

nomen_nudum

Authority page

64, 70, 75

Authority page URI

https://www.biodiversitylibrary.org/page/11080920 https://www.biodiversitylibrary.org/page/11080926 https://www.biodiversitylibrary.org/page/11080931

Authority publication

Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften

Name usages

Illiger (1815:64, 70, 75, https://www.biodiversitylibrary.org/page/11080920, https://www.biodiversitylibrary.org/page/11080926, https://www.biodiversitylibrary.org/page/11080931) (information at https://hesperomys.com/a/38688)

Trichechus cookii

(Fremery, 1831)

Family

Odobenidae

Root name

cookii

Validity status

synonym

Nomenclatural status

available

Authority page

385

Authority publication

Bijdrag. Nat. Vetensk.

Name usages

Wozencraft (2005) (information at https://hesperomys.com/a/8533)

Trichechus virginianus

(De Kay, 1842)

Family

Odobenidae

Root name

virginianus

Validity status

synonym

Nomenclatural status

available

Authority page

56

Authority page URI

https://www.biodiversitylibrary.org/page/2003511

Authority publication

New York

Odobenotherium lartetianum

(Gratiolet, 1858)

Family

Odobenidae

Root name

lartetianus

Validity status

synonym

Nomenclatural status

available

Authority page

620-624

Authority publication

Bulletin de la Société Géologique de France

Odobaenus obesus

F. W. True, 1885

Family

Odobenidae

Root name

obesus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

608

Authority page URI

https://www.biodiversitylibrary.org/page/7306402

Authority publication

Proceedings of the United States National Museum

Name usages

  1. True (1885:608, https://www.biodiversitylibrary.org/page/7306402) (information at https://hesperomys.com/a/35039)
  2. Matsumoto (1926:15) (information at https://hesperomys.com/a/37212)

Trichechus orientalis

(Dybowski, 1922)

Family

Odobenidae

Root name

orientalis

Validity status

synonym

Nomenclatural status

nomen_nudum

Authority page

351

Authority publication

Arch. Tow. Nauk. Lwow

Name usages

Wozencraft (2005) (information at https://hesperomys.com/a/8533)

Trichechus obesus var. ochoticus

(Borissiak, 1930)

Family

Odobenidae

Root name

ochoticus

Validity status

synonym

Nomenclatural status

available

Authority page

7

Authority publication

Annals of the Russian Paleontological Society

Odobenus rosmarus laptevi

Chapskiy, 1940

Family

Odobenidae

Root name

laptevi

Validity status

synonym

Nomenclatural status

available

Authority page

94

Authority publication

Problemy Arkt.

Name usages

Wozencraft (2005) (information at https://hesperomys.com/a/8533)

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