- , 1982
- : Aportaciones al conocimiento del macrozoobentos de la zona infralitoral rocosa de Galicia mediante la utilizacion de la escafandra autonoma: I. Demosponjas. Trab. Compostelanos Biol., 9: 49-67.
- , 1980
- A note on the sponges and octocorals from Sherkin Island and Lough Ine, Co. Cork. Irish Nat. J., 20: 1-15.
- , 1994
- A redescription of Aaptos aaptos with descriptions of new species of Aaptos (Hadromerida: Suberitidae) from northern New Zealand. J. Zool., 24: 301-323.
- , 1996
- A review of Iophonidae, Myxillidae and Tedaniidae occurring in the South East Pacific (Porifera: Poecilosclerida). Revue Suisse Zool., 103 (1): 3-79.
- , 1987
- 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.
- , 1992
- A revision of Atlantic Asteropus Sollas, 1888 (Demospongiae), including a description of three new species, and with a review of the family Coppatiidae Topsent, 1898. Bijdr. Dierk., 62 (1): 3-19
- , 1992
- A simple fool's guide to sponge classification. Harbor Branch Oceanographic Institute, Fort Pierce, Fla.
- , 1994
- A synopsis of South American Mycale (Mycale) (Poecilosclerida, Demospongiae), with description of three new species and a cladistic analysis of Mycalidae. Revue Suisse Zool., 101 (3): 563-600.
- , 1987
- A taxonomic revision of Haliclona cinerea (Grant) and Haliclona rosea (Bowerbank) (Demospongiae, Haplosclerida). pp. 139-178. In: W.H. de Weerdt,
- , 1979
- Adiciones a la fauna marina de Galicia, I. Demosponjas. Bol. Inst. Esp. Ocean., 5: 43-68.
- , 1993
- Axinellida (Porifera: Demospongiae) from the New Caledonia lagoon. Invertebr.Taxon., 7: 1395-1472.