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CCDB → Angiosperms → Achariaceae → Hydnocarpus
| Taxon name | Status | Median (n) |
| Hydnocarpus kurzii (King) Warb. | Accepted | 12 |
| Hydnocarpus pentandrus (B. -Ham.) Oken | Accepted | 24 |
| Hydnocarpus wightianus Blume | Accepted | 24 |
| Hydnocarpus alcalae C. DC. | Unresolved | 12 |
| Hydnocarpus anthelminthica Pierre ex Gagnep. | Unresolved | 12 |
| Hydnocarpus ilicifolia King | Unresolved | 11 |
| Taraktogenos kurzii King | Synonym of Hydnocarpus kurzii (King) Warb. | 12 |
| Taraktogenos serrata Pierre | Synonym of Hydnocarpus serrata Warb. | 24 |
| Hydnocarpus laurifolius Sleumer | Synonym of Hydnocarpus wightianus Blume | 24 |
| Hydnocarpus wightianus None | Synonym of Hydnocarpus wightianus Blume | 24 |
| Hydnocarpus sumatrana Koord. | Synonym of Ryparosa sumatrana Warb. | 12 |