Somateria Thulensis Malmgren, Journ. für Ornith., vol. 13, November 1865, p. 396.= Somateria mollissima borealis C. L. Brehm, 1824
Holotype ? : Male ad., Spitzbergen. 5. VII. 1864. A. J. Malmgren leg. No. 14314. - Measurements of type : wing : 287 mm.; tail : 107 mm.; bill from tip to posterior part of naked frontal angles : 70 mm.; tarsus : 46 mm.Click on the picture for enlargement.