glass sponge

== English == === Noun === glass sponge (plural glass sponges) Any organism of the class Hexactinellida of sponges, which has a skeleton made of four-pointed or six-pointed siliceous spicules. 1996, Carroll Lane Fenton, Pat Vickers Rich, Mildred Adams Fenton, Thomas H. V. Rich, The Fossil Book: A Record of Prehistoric Life, Revised Edition 1989, New Corrections 1996, page 114, Glass sponges are rare in the Ordovician and Silurian but are preserved in enormous numbers in Late Devonian formations of western New York. ==== Synonyms ==== (any species of Hexactinellida): hexactinellid, hexactinellid sponge ==== Derived terms ==== glass sponge shrimp (Spongicolidae spp.) ==== Translations ==== === See also === demosponge Demospongiae === References === Glass sponge on Wikipedia.Wikipedia Hexactinellida on Wikispecies.Wikispecies Category:Hexactinellida on Wikimedia Commons.Wikimedia Commons