Demospongea - Spirosclerophorida - Azoricidae

Alternative combination: Stellispongia grandis

Belongs to Cytoracia according to A. Schrammen 1910

Sister taxa: Cytoracia costata, Cytoracia impressa, Cytoracia rimosa, Cytoracia turbinata, Cytoracia variabilis

Ecology: stationary epifaunal suspension feeder