Vitreous sponge

	See Glass-sponge.
(Zool.)	any one of numerous species of siliceous sponges having, often fibrous, glassy spicules which are normally six-rayed; a hexactinellid sponge. See Venus's basket, under Venus.

See also: Sponge, Vitreous

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

Mentioned in

Glass-rope
Glass-sponge
Hyalospongia

References in periodicals archive

Vitreous sponges of the Northern and Far-Eastern Seas of the USSR.

A New North Pacific Heterochone Transferred from Aphrocallistes (Porifera: Hexactinellida)

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