Morphological description (show/hide)
| massive | | brown exterior | | light interior in ethanol, stains ethanol orange, thick layer of white matter exuded by sponge and coagulated at bottom of jar in ethanol | | tiny, apical, slightly raised, ectosome around oscules dark, almost black | | extremely firm, dense, compressible, ethanol squirts from apical oscules when sponge is compressed | | regularly conulose, conules medium-sized, tips elongate, thick, pointed | | fibrous, fibres large, uncored, sparse, mesohyl light, present consistently throughout choanosome, with light but homogeneous inclusion of broken foreign spicules, foreign matter concentrated at extremities of fibres, fibres appear as circular arrangement of spicules which is hollow in the centre (in cross-section) | | thick crust of foreign spicules, crust not very dense, but continuous, homogeneous | | nil | | nil |
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