Bible Dictionaries
Tetractinellida
Webster's Dictionary
(n. pl.) A division of Spongiae in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinae.
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Bibliography Information
Webster, Noah. Entry for 'Tetractinellida'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/t/tetractinellida.html. 1828.