| Key | Title |
| 19 | Key to the species of characins (Family Characidae) in southern Africa. |
| 44 | Key to the species of Tetragonopterus (Characidae: Tetragonopterinae) |
| 1132 | Key to species of Spintherobolus. |
| 1137 | Artificial key to the species of Bryconops. |
| 1139 | Key to the species of Attonitus. |
| 1144 | Key to the species of Heterocharax. |
| 1157 | Key to the adult males of described species of Tyttocharax. |