Lithistida

Lithistida

[lə′this·tə·də]
(paleontology)
An order of fossil sponges in the class Demospongia having a reticulate skeleton composed of irregular and knobby siliceous spicules.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Gomez Paloma et al., "Callipeltin A, an anti-HIV cyclic depsipeptide from the new Caledonian lithistida sponge Callipelta sp," Journal of the American Chemical Society, vol.