| Outstanding feature | Goniolothon | 
| Folk Classification | Goniolothon sparite | 
| Dunham Classification | Goniolothon boundstone | 
| Common Grains | Goniolothon fragments | 
| Sorting | None | 
| Rounding | None | 
| Micritization & envelopes | None | 
| Cement & diagenetic fabric | Spar locally fills voids | 
| Porosity | Leached 10% | 
| Depositional Setting | Reef | 
| Diagenetic history | Local micritization but original Goniolothon fabric well preserved | 
This is a Goniolothon fragment from the Holocene reefs of Palau Island collected by J. Harlan Johnson