Habitat: Common to rare on reef patches, and sporadically on mangrove roots. Distribution: Colombia, and Bocas del Toro, Panama. Characteristics: Thick crusts (2-6 cm in thickness), with compound oscules (3-6 mm in diameter) on top of low mounds. Grayish-blue externally, lighter to tan internally. Surface punctuated similar to Niphates erecta, with or without white zooanthids (Parazoanthus sp). Hard-compressible in consistency. Apertures: oscules scattered on the surface 3-5 mm in diameter. Skeleton: spicules are oxeas. Skeleton an anisotropic fiber reticulation cored by dense pauci-plurispicular oxeas tracts. Notes: Originally described as a Xestospongia species.