hexactinellid

Noun

 * 1) Any of the many sponges of class, which have hexactine spicules; a glass sponge.
 * 2) * 2007, S. P. Leys, et al., The Biology of Glass Spomges, David W. Sims (series editor), Advances in Marine Biology, Volume 52, page 78,
 * Spicules of hexactinellids are nearly indistinguishable from those of demosponges in most measured characteristics.

Synonyms

 * , hexactinellid