Definitions
from The Century Dictionary.
- noun A genus of fossil milioline foraminifers, having the inner chamberlets spirally arranged, and the outer ones cyclically disposed.
- noun A genus of corals of the family Orbitolitidæ: a synonym of Chætites.
from the GNU version of the Collaborative International Dictionary of English.
- proper noun (Zoöl.) A genus of living Foraminifera, forming broad, thin, circular disks, containing numerous small chambers.
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