| Species | Name Used in Reference |
|---|---|
| Gymnotus arapaima Albert & Crampton, 2001 | Gymnotus arapaima (p. 250-253;fig.3c,6) |
| Gymnotus jonasi Albert & Crampton, 2001 | Gymnotus jonasi (p. 253-256;fig.3b,8) |
| Gymnotus mamiraua Albert & Crampton, 2001 | Gymnotus mamiraua (p. 245-250;fig.3a,4) |
| Gymnotus melanopleura Albert & Crampton, 2001 | Gymnotus melanopleura (p. 258-260;fig.14) |
| Gymnotus onca Albert & Crampton, 2001 | Gymnotus onca (p. 256-258;fig.12) |