It is a member of the order Dictyoceratida, one of two sponge orders that make up the keratose or " horny " sponges in which a mineral skeleton is absent and a skeleton of organic fibers is present instead.
2.
Along with the Dictyoceratida, it is one of the two orders of demosponges that make up the keratose or " horny " sponges, in which a mineral skeleton is minimal or absent and a skeleton of organic spongin-containing fibers is present instead.
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