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Koefoed, E. (1956)
Theragra finnmarchica n. sp., Gadus poutassou, Risso, Raia spinicauda, Jensen, Eumicrotremus spinosus subsp. nov. eggvinii. Report on Norwegian fishery and marine investigations, 11(5): 1–24, Pls. 1–3.
Koefoed, E. (1927)
Fishes from the sea-bottom. Scientific Results of the Michael Sars North Atlantic Deep–Sea Expedition 1910, 4(1): 1–148, Pls. 1–6