Morphological description (show/hide)
expanded club-shaped. | orange in life, light brown-orange in ethanol | large, raised, with thin membranous lips. | firm, only slightly compressible, difficult to tear. | areolate, cavernous exterior, cavernous interior, even surface. | membranous, loose spicules lie mainly parallel or para-tangential to surface, occasionally pierce surface, spongin fibres from choanosome extend into ectosome, fibres echinated, collagen denser than in choanosome, homogeneous. | regular reticulation of spongin fibres, fibres well-developed, echinated by verticillate styles, form ovoid meshes, collagen light, homogeneous. | acanthostyles: verticillate, ~170-180 um. | nil. |
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