| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Rhytididae | Powelliphanta | 126 |
| 2 | Rhytididae | Paryphanta | 78 |
| 3 | Rhytididae | Rhytida | 41 |
| 4 | Rhytididae | Wainuia | 18 |
| 5 | Rhytididae | Schizoglossa | 14 |
| 6 | Rhytididae | Nata | 14 |
| 7 | Rhytididae | Amborhytida | 9 |
| 8 | Rhytididae | Austrorhytida | 6 |
| 9 | Rhytididae | Delos | 4 |
| 10 | Rhytididae | Rhytidarex | 2 |