Authors(s)	Soest, R.W.M. van
Year	1977
Title	Marine and freshwater sponges (Porifera) of the Netherlands. Zool. Meded. Leiden, 50 (16): 261-273.

• Acervochalina loosanoffi
• Ciocalypta penicillus
• Cliona celata
• Grantia compressa
• Halichondria bowerbanki
• Halichondria panicea
• Haliclona oculata
• Hymeniacidon perlevis
• Leucosolenia variabilis
• Mycale micracanthoxea
• Prosuberites epiphytum
• Suberites ficus
• Sycon ciliatum
• Sycon scaldiense