(ofAscortis fragilis Haeckel, 1870)Haeckel, E. (1870). Prodromus of a system of the Calcareous sponges. <em>Annals and Magazine of Natural History.</em> (4) 5: 176-191.[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. Leucosolenia fragilis (Haeckel, 1870). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=132224 on 2026-08-03
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Leucosolenia fragilis (Haeckel, 1870). Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=132224 on 2026-08-03
original description(ofAscortis fragilis Haeckel, 1870)Haeckel, E. (1870). Prodromus of a system of the Calcareous sponges. <em>Annals and Magazine of Natural History.</em> (4) 5: 176-191.[details]
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 sourceBurton, M. (1930). Norwegian Sponges from the Norman Collection. <em>Proceedings of the Zoological Society of London.</em> 1930 (2): 487-546, pls I-II., available online athttps://doi.org/10.1111/j.1096-3642.1930.tb00989.x[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
Present 