'Zaphrentis' definitions:

Definition of 'Zaphrentis'

From: GCIDE

Zaphrentis \Za*phren"tis\, n. [NL.] (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. [1913 Webster]