| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Opisthacanthus | capensis | 75 |
| 2 | Opisthacanthus | asper | 28 |
| 3 | Opisthacanthus | validus | 17 |
| 4 | Opisthacanthus | madagascariensis | 7 |
| 5 | Opisthacanthus | elatus | 5 |
| 6 | Opisthacanthus | laevipes | 3 |
| 7 | Opisthacanthus | diremptus | 2 |
| 8 | Opisthacanthus | africanus | 2 |
| 9 | Opisthacanthus | lepturus | 1 |
| 10 | Opisthacanthus | lucienneae | 1 |