Renata Manconi, Barbara Cadeddu, Fabio Ledda, Roberto Pronzato
Zookeys
Figure 27Spongia nitens. a, b dry specimens of the Schmidt’s collection preserved in the Landes Museum Joanneum of Graz c drawing of a living specimen d fibre showing an opaque narrow core e, f different magnification (LM) of the skeletal network, entirely free of mineral inclusions. a, b modified from Desqueyroux-Faundez and Stone (1992) c, d modified from Vacelet (1987) a, b scale bars = 1 cm.