tetractinellida love

tetractinellida

Definitions

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.

Etymologies

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