GLOSSARY OF CORAL MORPHOLOGIC TERMS

F1. Columella structure

The overall form of the central axial structure within a corallite
 
Character State Definition Illustration
trabecular & continuous Spongy columella that continues between corallite centers
trabecular & discontinuous Spongy and discrete columella
styliform Solid, projecting columella to which the septa are fused by secondary stereome
lamellar Plate-like columella oriented parallel to the long axis of a corallite or corallite series
absent No columella
 




Last updated on June 11, 1998-jpd.