(syn. Somateria Ϯ King Eider S. spectabilis) Gr. εριον erion  wool, down; νηττα nētta  duck; "among the eiders proper I would now separate the king eider subgenerically, under the name of Erionetta, from Somateria proper" (Coues 1884).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 23 January 2019).