Hyalospongia definitions

Hyalospongia

• (n. pl.) An order of vitreous sponges, having glassy six-rayed, siliceous spicules; -- called also Hexactinellinae.
Found on http://thinkexist.com/dictionary/meaning/hyalospongia/

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Hyalospongia

Hy`a·lo·spon'gi·a noun plural [ New Latin , from Greek 'y`alos glass + ... a sponge.] (Zoology) An order of vitreous sponges, having glassy six-rayed, siliceous spicules; -- called also Hexactinellinæ .
Found on http://www.encyclo.co.uk/webster/H/74

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