Morphological description (show/hide)
| Thin, convoluted sheet overlying substrate. | | Tan-cream alive, beige in ethanol. | | Not visible. | | Soft, spongy, compressible, Easily torn. | | Translucent, membranous, Even, choanosomal fibres visible below surface. | | Regular reticulation of moderately light, homogeneous spongin fibres cored by uni- or paucispicular tracts of oxeas. Only vague resemblance of rectangular reticulation recognisable. Little homogeneous mesohyl collagen irregularly dispersed throughout. Very few loose spicules. | | Paucispicular, tangential layer of oxeas obscured by plumose, paucispicular brushes of oxeas. | | Oxeas | | Sigmas (Rare) |
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