dermosclerites
From ZooTerms (Dictionary of Invertebrate Zoology)
dermosclerites (noun, plural; Greek derma, skin; skleros, hard): (Cnidaria: Anthozoa) Calcareous spicules (sclerites) of alcyonarian coral polyps, produced by scleroblasts embedded in the mesoglea or stolons (or both) or in the coenenchyma connecting the polyps.
