Sponge Guide
Demospongiae > Axinellida > Axinellidae > Dragmaxia undata
Spicule Images: a) Styles (and hair-like raphides in the background); b) raphides. Sample from Santa Marta, Colombia.
Tissue Images: a) Cross-section at the surface; b) view of the choanosome. Sample from Santa Marta, Colombia.