n = 6
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Radulinus asprellus | Gilbert, 1890 | Radulinus asprellus | Cottidae | Slim sculpin |
| Radulinus boleoides | Gilbert, 1898 | Radulinus boleoides | Cottidae | Darter sculpin |
| Radulinus derjavini | (Soldatov & Lindberg, 1930) | Radulinopsis derjavini | Cottidae | |
| Radulinus derjugini | (Soldatov, 1930) | Radulinopsis derjavini | Cottidae | |
| Radulinus taylori | (Gilbert, 1912) | Asemichthys taylori | Cottidae | Spinynose sculpin |
| Radulinus vinculus | Bolin, 1950 | Radulinus vinculus | Cottidae | Smoothgum sculpin |