Genus
Halichondria
Halichondria panicea. Photo: (c) Ken-ichi Ueda, some rights reserved (CC BY)
Halichondria is a genus of marine demosponges belonging to the family Halichondriidae. These are massive, amorphous sponges with clearly separated inner and outer skeletons consisting of bundles of spicules arranged in a seemingly random pattern.
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