(ofEsperia helios 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): 450-451 [details]
de Voogd, N.J.; Alvarez, B.; Boury-Esnault, N.; Cárdenas, P.; Díaz, M.-C.; Dohrmann, M.; Downey, R.; Goodwin, C.; Hajdu, E.; Hooper, J.N.A.; Kelly, M.; Klautau, M.; Lim, S.C.; Manconi, R.; Morrow, C.; Pinheiro, U.; Pisera, A.B.; Ríos, P.; Rützler, K.; Schönberg, C.; Turner, T.; Vacelet, J.; van Soest, R.W.M.; Xavier, J. (2025). World Porifera Database. Esperella helios (Fristedt, 1887). Accessed at: https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=814732 on 2026-09-14
original description(ofEsperia helios 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): 450-451 [details]
new combination referenceLambe, L.M. (1894 [1895]). Sponges from the Western Coast of North America. <em>Transactions of the Royal Society of Canada.</em> 12 (4): 113-138,pls II-IV. page(s): 117 [details]
Present Inaccurate Introduced: alien Containing type locality