| FAO | Key Name |
|---|---|
| Africa-Inland Waters | Key to the species of Petrocephalus of West Africa (Sahelo-Sudanese basins). |
| Africa-Inland Waters | Key to the species of Petrocephalus of West Africa (Guinean Region (Coastal Basins from Guinea to Côte d'Ivoire)). |
| Africa-Inland Waters | Key to the species of Petrocephalus of Lower Guinea, West-Central Africa.(from the Cross River) |