Image de Irciniidae Gray 1867

Description :

Figure 18Ircinia retidermata. a habitus of the type specimen b an underwater image of a living specimen c, d, e different magnifications (LM) of the skeletal network showing cored primary fibres, uncored secondaries, and the typical irciniid filaments f sponge surface finely granulate by mineral debris embedded in a very close fibrillar network. a modified from Pulitzer-Finali and Pronzato (1980).