Literature
- Arndt, W. 1940. Eine neuere Ausbeute von Meeresschwämmen der West-und Südküste Portugals. Mem. Mus. Zool. Univ. Coimbra, (1), 116: 1-75.
- 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.