External characters
small shallow cups erect and partly burrowed in sand substratum
Colour
yellow in life, khaki-brown on deck
Skeletal Characters
Oscules | Not visible |
Texture | harsh, sandy, crumbly |
Surface_Ornamentation | no oscules or surface sculpturing visible |
Ectosomal_Skeleton | surface is entirely covered in a sand cortex but below which is vaguely yellow colour in life |
Choanosomal_Skeleton | choanosomal skeleton a dense irregular reticulation of fibres fully cored by sand and detritus; mesohyl with moderate but not well pigmented collagen containing just about every imaginable spicule from the sediments |
Megascleres | Nil (no consistency in the presence of any particular category of megacleres) |
Microscleres | sigmas are particularly abundant so these may be native (but no certainty in this) |
Mudmap_Author | JNA Hooper |
Mudmap_Editor | K Hall |
Distribution
In french Polynesia: Society islands
Ecology and habitat
In caves