Corticium is a genus of sponges in the order Homosclerophorida first described by Eduard Oscar Schmidt in 1862.

Species Accepted species as given by WoRMS: Corticium acanthastrum Corticium bargibanti Corticium candelabrum Corticium diamantense Corticium furcatum Corticium monolophum Corticium niger Corticium quadripartitum Corticium simplex Corticium vaceleti Corticium verticillatum

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