Borojevic, R. (1967). Spongiaires d'Afrique du Sud. (2) Calcarea. <em>Transactions of the Royal Society of South Africa.</em> 37 (3): 183-226., available online athttps://doi.org/10.1080/00359196709519066[details] Available for editors [request]
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. Sycon defendens Borojevic, 1967. Accessed at: https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=164571 on 2026-08-08
original descriptionBorojevic, R. (1967). Spongiaires d'Afrique du Sud. (2) Calcarea. <em>Transactions of the Royal Society of South Africa.</em> 37 (3): 183-226., available online athttps://doi.org/10.1080/00359196709519066[details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality