scopularia

Century Dictionary and Cyclopedia

1. n. In Sollas's nomenclature of sponge-spicules, a scopulate or besom-shaped spicule with tylolate or knobbed rays which vary in number from two to eight; a scopula.
2. n. In Sollas's classification of sponges, a tribe of dictyonine hexactinellidan Silicispongiæ, having uncinate spicules in the form of scopulariæ. It is divided into 5 families—Euretidæ, Mellittonidæ, Chonelasmatidæ, Volvulinidæ, and Sclerothamnidæ.