Fig. 2 Clathrina blanca. a in Integrative taxonomy of four Clathrina species of the Adriatic Sea, with the first formal description of Clathrina rubra Sarà, 1958

Fig. 2 Clathrina blanca. a. Fixed specimen, lateral view. The cormus (arrow) is clearly distinguishable from the stalk (arrowhead). Scale bar=5 mm. b. Sponge in situ. Scale bar= 5 mm. c. Magnification of the stalk. The arrow points towards the attachment site. Scale bar= 100 μm. d. Parasagittal spicule (arrow) and regular triactines (arrowhead). Scale bar=50 μm