marine, brackish, fresh, terrestrial

recent only

Stephens, J. (1916). Preliminary Notice of some Irish Sponges. The Monaxonellida (Suborder Sigmatomonaxonellida) obtained by the Fisheries Branch of the Department of Agriculture and Technical Instruction, Ireland. <em>Annals and Magazine of Natural History.</em> (8) 17: 232-242., available online at https://doi.org/10.1080/00222931508693773
page(s): 236-237 [details] 

Stephens, J. (1921 [1920]). Sponges of the Coasts of Ireland. II. The Tetraxonida (concluded). <em>Scientific Investigations of the Fisheries Branch. Department of Agriculture for Ireland.</em> 1920 (2): 1-75, pls I-VI.
page(s): 40-41 [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. Hymedesmia helgae Stephens, 1916. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=191859 on 2026-07-04

Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Hymedesmia helgae Stephens, 1916. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=191859 on 2026-07-04

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