Description of Coccodiscidae
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Spumellarid polycystines, discoidal forms consisting of a lenticular cortical shell enclosing a small single or double medullary shell, and surrounded by an equatorial zone of spongy or concentrically-chambered structures. Or forms with ellipsoidal cortical shell, usually equatorially constricted and enclosing a single or double medullary shell. The opposite poles of the shell can bear spongy columns and/or single or multiple latticed caps.
