Ventriculite
Pronunciation : Ven*tric"u*lite
Part of Speech : n.
Etymology : [See Ventriculus.] (Paleon.)
Definition : Defn: Any one of numerous species of siliceous fossil sponges belonging to Ventriculites and allied genera, characteristic of the Cretaceous period.
Note: Many of them were shaped like vases, others like mushrooms. They belong to the hexactinellids, and are allied to the Venus's basket of modern seas.
Source : Webster's Unabridged Dictionary, 1913