| Species | Name Used in Reference |
|---|---|
| Hypsolebias adornatus (Costa, 2000) | Simpsonichthys adornatus (p. 9;fig.1-2) |
| Hypsolebias igneus (Costa, 2000) | Simpsonichthys igneus (p. 10;fig.3-4) |
| Hypsolebias picturatus (Costa, 2000) | Simpsonichthys picturatus (p. 12;fig.5-6) |
| Simpsonichthys parallelus Costa, 2000 | Simpsonichthys parallelus (p. 13;fig.7-8) |