| Species | Name Used in Reference |
|---|---|
| Gymnogeophagus gymnogenys (Hensel, 1870) | Geophagus labiatus (p. ) |
| Gymnogeophagus gymnogenys (Hensel, 1870) | Gymnogeophagus gymnogenys (p. ) |
| Gymnogeophagus lacustris Reis & Malabarba, 1988 | Gymnogeophagus lacustris (p. ) |
| Gymnogeophagus rhabdotus (Hensel, 1870) | Gymnogeophagus rhabdotus (p. ) |