Figure 35 from: Manconi R, Cadeddu B, Ledda F, Pronzato R (2013) An overview of the Mediterranean cave-dwelling horny sponges (Porifera, Demospongiae). ZooKeys 281: 1-68. https://doi.org/10.3897/zookeys.281.4171 - Manconi, Renata (2013)