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. Halicnemia azorica Topsent, 1904. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=132534 on 2026-07-06
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Halicnemia azorica Topsent, 1904. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=132534 on 2026-07-06
additional sourceVan Soest, R.W.M. (2001). Porifera, <b><i>in</i></b>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification</i>. <em>Collection Patrimoines Naturels.</em> 50: 85-103. (look up in IMIS) [details]
additional sourceTopsent, E. (1928). Spongiaires de l'Atlantique et de la Méditerranée provenant des croisières du Prince Albert ler de Monaco. [Atlantic and Mediterranean sponges from the cruises of Prince Albert I of Monaco]. <em>Résultats des campagnes scientifiques accomplies par le Prince Albert I. Monaco.</em> 74:1-376, pls I-XI. page(s): 181 [details]
Present Inaccurate Introduced: alien Containing type locality