This sponge is known from the Atlantic, North Sea and Mediterranean, among other regions.
In the examined specimens, the body is a thick crust.
In shallow water, it is known from beneath rocks and from crevices.
In the examined specimens, the living colour was bright yellow, turning dark purple when preserved in ethanol.
In the examined specimens, the surface bears small cone-shaped projections.
An extinction-risk assessment has not been added yet.