Fig. 3From: Spicular analysis of surficial sediments as a supplementary tool for studies of modern sponge communities Cliona mucronata Sollas, [52] spicules; a C. mucronata subtylostyle; redrawn from Vacelet and Vasseur [58], b C. mucronata subtylostyle; redrawn from Calcinai et al. [9], câf sediment spiculesBack to article page