WoRMS taxon details
original description
(of Esperia lingua var. arctica Fristedt, 1887) Fristedt, K. (1887). Sponges from the Atlantic and Arctic Oceans and the Behring Sea. <em>Vega-Expeditionens Vetenskap. Iakttagelser (Nordenskiöld) 4.</em> 401-471, pls 22-31. page(s): 449-450 [details]
additional source
Burton, M. (1934). Zoological Results of the Norwegian Scientific Expeditions to East-Greenland. III. Report on the Sponges of the Norwegian Expeditions to East-Greenland (1930, 1931 and 1932). <em>Skrifter om Svalbard og Ishavet.</em> 61 (1): 1-33. page(s): 8 [details]
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