1 entry 1 source
Tetractinellida
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A division of Spongiæ in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinæ.
1 entry 1 source
Part of speech: noun (n.)
A division of Spongiæ in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinæ.