| Megalocotyloides pseudomarginatus (Bravo-Hollis, 1957) Bychowsky & Nagibina, 1967 |
| Nasicola Yamaguti, 1968 |
| Nasicola klawei (Stunkard, 1962) Yamaguti, 1968 |
| Neobenedenia Yamaguti, 1963 |
| Neobenedenia adenea (Meserve, 1938) Yamaguti, 1963 |
| Neobenedenia girellae (Hargis, 1955) Yamaguti, 1963 |
| Neobenedenia isabellae (Meserve, 1938) Yamaguti, 1963 |
| Neobenedenia longiprostata Bravo-Hollis, 1971 |
| Neobenedenia melleni (MacCallum, 1927) Yamaguti, 1963 |
| Neobenedenia pacifica Bravo-Hollis, 1971 |
| Nitzschia Baer, 1826 |
| Nitzschia sturionis (Abildgaard, 1794) Krøyer, 1852 |
| Sprostoniella Bychowsky & Nagibina, 1967 |
| Sprostoniella lamothei Pérez-Ponce de León & Mendoza-Garfias, 2000 |
| Tristoma Cuvier, 1817 |
| Tristoma laeve Verrill, 1875 |
| Tristoma sinuatum Goto, 1894 |
| Tristomella Guiart, 1938 |
| Tristomella laevis (Verrill, 1875) Guiart, 1938 |
| Tristomella pricei (Hidalgo-Escalante, 1958) Price, 1960 |