| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Orania | mixta | 136 |
| 2 | Orania | pacifica | 126 |
| 3 | Orania | walkeri | 102 |
| 4 | Orania | serotina | 100 |
| 5 | Orania | ficula | 96 |
| 6 | Orania | gaskelli | 85 |
| 7 | Orania | pleurotomoides | 64 |
| 8 | Orania | fischeriana | 52 |
| 9 | Orania | fusulus | 51 |
| 10 | Orania | bimucronata | 32 |
| 11 | Orania | archaea | 30 |
| 12 | Orania | corallina | 26 |
| 13 | Orania | rosea | 10 |
| 14 | Orania | alexanderi | 9 |
| 15 | Orania | adiastolos | 3 |
| 16 | Orania | rosadoi | 2 |
| 17 | Orania | nodosa | 1 |
| 18 | Orania | dharmai | 1 |
| 19 | Orania | castanea | 1 |
| 20 | Orania | badia | 1 |
| 21 | Orania | atea | 1 |
| 22 | Orania | carnicolor | 1 |
| 23 | Orania | xuthedra | 1 |
| 24 | Orania | ornamentata | 1 |
| 25 | Orania | maestratii | 1 |
| 26 | Orania | simonetae | 1 |