Literature
- Borojevic, R., L. Cabioch and C. Lévi 1968. Spongiaires. Inventaire Faune Marine de Roscoff. 44 pp.
- Burton, M. 1963. A revision of the classification of the calcareous sponges. British Museum (Natural History), London. 693 pp.
- Lambe, L.M. 1896. Sponges from the Atlantic coast of Canada. Trans. roy. Soc. Canada, (2)2: 181-211.
- Lambe, L.M. 1900. Sponges from the coasts of north-eastern Canada and Greenland. Trans. roy. Soc. Canada, (2)6: 19-49.
- Verrill, A.E. 1873. Report upon the invertebrate animals of Vineyard Sound. U.S. Fish.Comm., 183: 295-778.