from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division of Spongiæ in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinæ.
from The Century Dictionary and Cyclopedia
- In Sollas's classification of sponges, the second tribe of Silicispongiæ, contrasted with Monaxonida, including those Demospongiæ which possess quadriradiate or triæne spicules or lithistid scleres.
Sorry, no etymologies found.
Sorry, no example sentences found.