| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Pickworthiidae | Sansonia | 164 |
| 2 | Pickworthiidae | Reynellona | 38 |
| 3 | Pickworthiidae | Mareleptopoma | 30 |
| 4 | Pickworthiidae | Discrevinia | 29 |
| 5 | Pickworthiidae | Microliotia | 25 |
| 6 | Pickworthiidae | Chrystella | 6 |
| 7 | Pickworthiidae | Clatrosansonia | 5 |
| 8 | Pickworthiidae | Kaseilla | 1 |
| 9 | Pickworthiidae | Sherbornia | 1 |
| 10 | Pickworthiidae | Astrosansonia | 1 |
| 11 | Pickworthiidae | Ampullosansonia | 1 |