Columella shape
The diameter or width of the central axial structure within a corallite (measured
by taking ratio of length vs width)
| Character State | Definition | Illustration |
| circular | 1.0 - 1.45. [example: Stylophora monticulosa] | |
| non-circular | > 1.45. [example: Stylophora affinis] | |
Last updated on Aug 12, 2003-eek.