Structure of the coenosteum
The structure of the skeleton between corallites (thin section)
| Character State | Definition | Illustration |
| costate | Coenosteum composed of costae (extensions of the septa beyond the wall) | |
| spinose | Coenosteum composed of spines (discrete vertical rods) and vesicular dissepiments | |
| vesicular | Coenosteum composed of vescicular exothecal dissepiments | |
| solid | Coenosteum composed of stereome | |
Last updated on June 25, 2003-eek.