Renata Manconi, Barbara Cadeddu, Fabio Ledda, Roberto Pronzato
Zookeys
Figure 5Darwinella simplex. a encrusting specimen in vivo (ca. 10 cm in diameter) b close up of the sponge surface bearing a reticulate dermal membrane with primary fibre tips supporting conules c, d laminate spongin fibre (free of foreign material) and free horny spicules (LM) e free horny spicules (SEM).