PORIFERA
   

                                                                   
Sycon scaldiensis (van Koolwijk, 1982)

 publications

Koolwijk, T. van 1982. Calcareous sponges of the Netherlands. - Bull.Zoöl.Mus.Univ.Amsterdam 8(12): 91-98.
 Koolwijk, T. van 1983. Kalksponzen in Nederland. - Het Zeepaard 43(2): 55-61.