| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Volutoconus | bednalli | 45 |
| 2 | Volutoconus | multiformis | 19 |
| 3 | Volutoconus | †grossi | 12 |
| 4 | Volutoconus | coniformis | 5 |
| 5 | Volutoconus | browni | 3 |
| 6 | Volutoconus | hargreavesi | 3 |
| 7 | Volutoconus | keppelensis | 3 |
| 8 | Volutoconus | vetulus | 2 |
| 9 | Volutoconus | calcarelliformis | 2 |
| 10 | Volutoconus | mcmichaeli | 1 |
| 11 | Volutoconus | daisyae | 1 |