Sponges of the North East Atlantic 2.0: A systematic revision of the North Eastern Atlantic shallow-water Haplosclerida (Porifera, Demospongiae), Part I: Introduction, Oceanapiidae and Petrosiidae. Beaufortia, 35 (2): 61-91.

Authors(s)	Weerdt, W.H. de
Year	1985
Title	A systematic revision of the North Eastern Atlantic shallow-water Haplosclerida (Porifera, Demospongiae), Part I: Introduction, Oceanapiidae and Petrosiidae. Beaufortia, 35 (2): 61-91.