| Species | Name Used in Reference |
|---|---|
| Diplomystes camposensis Arratia, 1987 | Diplomystes camposensis (p. ) |
| Diplomystes chilensis (Molina, 1782) | Diplomystes chilensis (p. 12 ) |
| Diplomystes nahuelbutaensis Arratia, 1987 | Diplomystes nahuelbutaensis (p. ) |
| Olivaichthys viedmensis (MacDonagh, 1931) | Diplomystes viedmensis (p. ) |