Definitions
from The Century Dictionary.
- noun A fossil sponge of the family Ventriculitidæ a so-called “petrified mushroom.” They are of various shapes—fungiform, cup-like, tubular, or funnel-shaped—and abound in the Cretaceous.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Paleon.) Any one of numerous species of siliceous fossil sponges belonging to Ventriculites and allied genera, characteristic of the Cretaceous period.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun paleontology Any of numerous
species ofsiliceous fossil sponges belonging to Ventriculites and alliedgenera .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
See ventriculus.
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