Sponge Guide
Demospongiae > Axinellida > Axinellidae > Ptilocaulis marquezii
Spicule Images: a) Oxea with rugose ends; b) ends of oxea. Sample from the Bahamas.
Tissue Images: a) Longitudinal section of the body; b) magnification at the surface; c) magnification of the choanosome. Sample from the Bahamas.