Hans ToreRapp:Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species. In: Zoological Journal of the Linnean Society. 147. Jahrgang, Nr.3, 2006, S.331–365, doi:10.1111/j.1096-3642.2006.00221.x (englisch, zenodo.org[PDF; abgerufen am 3.Dezember 2025]).
Hans ToreRapp:Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species. In: Zoological Journal of the Linnean Society. 147. Jahrgang, Nr.3, 2006, S.331–365, doi:10.1111/j.1096-3642.2006.00221.x (englisch, zenodo.org[PDF; abgerufen am 3.Dezember 2025]).