| Authors(s) | Weerdt, W.H. de and R.W.M. van Soest |
| Year | 1987 |
| Title | A review of North-Eastern Atlantic Hemigellius (Niphatidae, Haplosclerida). 309-321. In: J. Vacelet and N. Boury-Esnault, eds. Taxonomy of Porifera. Springer Verlag, Berlin, Heidelberg. NATO-ASI Series, G13: 1-332. |