redescriptionBergh, L. S. R. (1900). Nudibranchiate Gasteropoda. <em>The Danish Ingolf-Expedition.</em> 2(3): 1-49, pl. 1-5. [English translation of the original Danish text of 1899]., available online athttp://www.biodiversitylibrary.org/item/18830 page(s): 19, pl. 2 figs 20-22, pl. 3 figs 4-9 [details]