Language:
Free Online Dictionary|3Dict

Tetractinellida

Source : Webster's Revised Unabridged Dictionary (1913)

Tetractinellida \Te*trac`ti*nel"li*da\, n. pl. [NL., from Gr.
   te`tra- tetra- + ?, ?, ray, spoke.] (Zo["o]l.)
   A division of Spongi[ae] in which the spicules are siliceous
   and have four branches diverging at right angles. Called also
   {Tetractinellin[ae]}.
Sort by alphabet : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z