| Scientific Name | Author | English Name |
|---|---|---|
| Microstoma australis | Gon & Stewart, 2014 | |
| Microstoma microstoma | (Risso, 1810) | Slender argentine |
| Nansenia ahlstromi | Kawaguchi & Butler, 1984 | |
| Nansenia antarctica | Kawaguchi & Butler, 1984 | |
| Nansenia ardesiaca | Jordan & Thompson, 1914 | Robust smallmouth |
| Nansenia atlantica | Blache & Rossignol, 1962 | |
| Nansenia boreacrassicauda | Poulsen, 2015 | |
| Nansenia candida | Cohen, 1958 | Bluethroat argentine |
| Nansenia crassa | Lavenberg, 1965 | Stout argentine |
| Nansenia groenlandica | (Reinhardt, 1840) | Greenland argentine |
| Nansenia iberica | Matallanas, 1985 | |
| Nansenia indica | Kobyliansky, 1992 | |
| Nansenia longicauda | Kawaguchi & Butler, 1984 | |
| Nansenia macrolepis | (Gilchrist, 1922) | |
| Nansenia megalopa | Kawaguchi & Butler, 1984 | |
| Nansenia oblita | (Facciolà, 1887) | |
| Nansenia obscura | Kobyliansky & Usachev, 1992 | |
| Nansenia pelagica | Kawaguchi & Butler, 1984 | |
| Nansenia tenera | Kawaguchi & Butler, 1984 | |
| Nansenia tenuicauda | Kawaguchi & Butler, 1984 | |
| Xenophthalmichthys danae | Regan, 1925 |