Literature
- Burton, M. 1931. [1932]. The Porifera of the Isle of Man. Lancashire Sea Fisheries Lab. Rept.,.
- Burton, M. 1963. A revision of the classification of the calcareous sponges. British Museum (Natural History), London. 693 pp.
- Hanitsch, R. 1895. Notes on a collection of sponges from the west coast of Portugal. Trans. Liverpool Biol. Soc., 9: 205-219.
- Schmidt, O. 1862. Die Spongien des Adriatischen Meeres. Engelmann, Leipzig: 1-88, 7 pls.
- Schmidt, O. 1868. Die Spongien der Küste von Algier. Mit Nachträgen zu den Spongien des Adriatischen Meeres (drittes Supplement). Engelmann, Leipzig, iv + 44 pp., V pls.
- Soest, R.W.M. van, J.D. Guiterman and M. Sayer 1981. Sponges from Roaringwater Bay and Lough Ine. J. Sherkin Isl., 1 (2): 35-49.
- Soest, R.W.M. van, and S. Weinberg 1980. A note on the sponges and octocorals from Sherkin Island and Lough Ine, Co. Cork. Irish Nat. J., 20: 1-15.
- Vosmaer, G.C.J. 1884. Aanteekeningen over Leucandra aspera H. Bijdrage tot de kennis der kalksponzen. Somerwil, Leiden, 96 pp.