Habitat: Growing on deeper areas of the reef over sandy and/or muddy bottoms, and is usually found covered by sediment. Distribution: Cuba, Venezuela, and Panamá. Characteristics: Massive encrusting body usually burrowing in the sand from which sharp and corrugated projections arise. (Up to 2 cm high and 0.5 cm wide). Orange to yellow externally, slightly lighter internally. Compressible but fragile.