Mammalia - Carnivora - Odobenidae

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

Synonyms: Hemicaulodon effodiens Cope 1869, 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, Odobenus obesus antiquus

Type specimens:

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

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