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Odobenus rosmarus Linnaeus 1758 (walrus)

Mammalia - Carnivora - Odobenidae

Alternative combinations: Odobaenus rosmarus, Phoca rosmarus, Rosmarus rosmarus, Trichechus rosmarus

Synonyms: Hemicaulodon effodiens Cope 1869, Odobenotherium lartetianum Gratiolet 1858, Odobenotherium lartetianus Gratiolet 1858, Odobenotherium virginianum Dekay 1842, Odobenus virginianus De Kay 1842, Trichechus orientalis Dybowski 1922, Trichechus virginianus Dekay 1842

Full reference: C. Linnaeus. 1758. Systema Naturae per Regna Tria Naturae, secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Tomus I. Laurentii Salvii, Holmiae (Stockholm) 1-823

Belongs to Odobenus according to T. A. Demere et al. 2003

Sister taxa: Odobenus mandanoensis, Odobenus rosmarus divergens, Odobenus rosmarus rosmarus, Trichechus obesus

Type specimens:

  • Odobenus rosmarus: none designated
  • Hemicaulodon effodiens:
  • Odobenotherium lartetianum:
  • Odobenus virginianus:
  • Trichechus orientalis:
  • Trichechus virginianus:

Ecology: amphibious carnivore

Average measurements (in mm): femur length 245.0, humerus length 330.0, radius length 240.0, scapula 399.5 x 220.0, tibia length 350.0

Estimated body mass: 96.6 kg based on femur length, humerus length, and tibia length