| Species | Name Used in Reference |
|---|---|
| Apteronotus cuchillejo (Schultz, 1949) | Apteronotus cuchillejo (p. 431) |
| Apteronotus magdalenensis (Miles, 1945) | Apteronotus magdalenensis (p. 431) |
| Electrophorus electricus (Linnaeus, 1766) | Electrophorus electricus (p. 424) |
| Hypopygus cryptogenes (Triques, 1997) | Steatogenys cryptogenes (p. 426) |
| Iracema caiana Triques, 1996 | Iracema caiana (p. 423) |
| Sternarchogiton nattereri (Steindachner, 1868) | Sternarchogiton nattereri (p. 432) |