H1. Wall structure
of skeleton enclosing a corallite
|parathecal||Corallite wall formed by dissepiments|
|septothecal||Corallite wall formed by thickening of septa|
|septothecal and/or parathecal||Corallite wall formed by thickening of the septa and/or dissepiments|
|synapticulothecal||Corallite wall formed by rings of synapticulae (horizontal rods between septa)|
Last updated on June 11, 1998-jpd.