Columella size
The ratio of the columella length to the corallite diameter
| Character State | Definition | Illustration |
| small | < 0.33 [example: Stylophora monticulosa] | |
| medium | 0.33 - 0.45 [example: Stylophora portobellensis] | |
| large | > 0.45 [example: Stylophora sp. C] | |
Last updated on Aug 13, 2003-eek.