| Species | Name Used in Reference |
|---|---|
| Siokunichthys bentuviai Clark, 1966 | Siokunichthys bentuviai (p. ) |
| Siokunichthys breviceps Smith, 1963 | Siokunichthys breviceps (p. ) |
| Siokunichthys herrei Herald, 1953 | Siokunichthys herrei (p. ) |
| Siokunichthys nigrolineatus Dawson, 1983 | Siokunichthys nigrolineatus (p. ) |
| Siokunichthys southwelli (Duncker, 1910) | Siokunichthys southwelli (p. ) |