| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Trigonostoma | thysthlon | 226 |
| 2 | Trigonostoma | scalare | 57 |
| 3 | Trigonostoma | elegantulum | 4 |
| 4 | Trigonostoma | bocageana | 3 |
| 5 | Trigonostoma | pulchra | 3 |
| 6 | Trigonostoma | bullatum | 2 |
| 7 | Trigonostoma | rugosum | 2 |
| 8 | Trigonostoma | breve | 2 |
| 9 | Trigonostoma | laseroni | 2 |
| 10 | Trigonostoma | antiquatum | 1 |
| 11 | Trigonostoma | vinnulum | 1 |
| 12 | Trigonostoma | goniostoma | 1 |
| 13 | Trigonostoma | mozambicense | 1 |
| 14 | Trigonostoma | scala | 1 |
| 15 | Trigonostoma | scalariformis | 1 |
| 16 | Trigonostoma | tessella | 1 |
| 17 | Trigonostoma | semidisjunctum | 1 |
| 18 | Trigonostoma | scalata | 1 |
| 19 | Trigonostoma | dockeryi+ | 1 |
| 20 | Trigonostoma | amakusana | 1 |
| 21 | Trigonostoma | stenomphala | 1 |