Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
An extinct genus of cyathophylloid corals common in thePaleozoic formations. It is cup-shaped with numerous septa, and witha deep pit in one side of the cup.
