Notes: Inverted cones with relatively thin walls, greenish to purplish in the outside, bright yellow inside, turning purple in air. Skeleton is a pithed spongin fiber network forming the walls of a honeycomb, which show on the surface. A sister species is V. reiswigi Alcolado, 1984 (also pictured in this catalogue), whose shape is that of a thick-walled barrel or jug.
Author Reference: (Hyatt, 1875)
Link: World Porifera Database