Lexic.us

Definition of Tetractinellida

1. n. pl. A division of Spongiæ in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinæ.

Medical Definition of Tetractinellida

1. A division of Spongiae in which the spicules are siliceous and have four branches diverging at right angles. Synonym: Tetractinellinae. Origin: NL, from Gr. Tetra- +, ray, spoke. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Tetractinellida

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