| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Horaiclavidae | Horaiclavus | 346 |
| 2 | Horaiclavidae | Anacithara | 345 |
| 3 | Horaiclavidae | Austrodrillia | 126 |
| 4 | Horaiclavidae | Paradrillia | 122 |
| 5 | Horaiclavidae | Carinapex | 121 |
| 6 | Horaiclavidae | Ceritoturris | 66 |
| 7 | Horaiclavidae | Graciliclava | 34 |
| 8 | Horaiclavidae | Haedropleura | 33 |
| 9 | Horaiclavidae | Buchema | 21 |
| 10 | Horaiclavidae | Marshallena | 21 |
| 11 | Horaiclavidae | Nquma | 16 |
| 12 | Horaiclavidae | Inodrillia | 9 |
| 13 | Horaiclavidae | Iwaoa | 9 |
| 14 | Horaiclavidae | Psittacodrillia | 8 |
| 15 | Horaiclavidae | Thelecythara | 6 |
| 16 | Horaiclavidae | Vexitomina | 5 |
| 17 | Horaiclavidae | Aoteadrillia | 3 |
| 18 | Horaiclavidae | Pseudexomilus | 3 |
| 19 | Horaiclavidae | Micropleurotoma | 2 |
| 20 | Horaiclavidae | Inkinga | 2 |
| 21 | Horaiclavidae | Striatoguraleus | 1 |