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Webster 1913 Edition
Ventriculite
‖
Ven-tric′u-lite
,Noun.
[See
Ventriculus
.] (Paleon.)
Any one of numerous species of siliceous fossil sponges belonging to
Ventriculites
and allied genera, characteristic of the Cretaceous period. ☞ 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.