from The Century Dictionary.
- noun The typical genus of Zaphrentinæ.
- noun [l. c] A species of this genus.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Paleon.) An extinct genus of cyathophylloid corals common in the Paleozoic formations. It is cup-shaped with numerous septa, and with a deep pit in one side of the cup.
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