| Chromulina Cienk., 1869 |
| Chromulina aërophila Lund, 1942 |
| Chromulina ferrea Lund, 1942 |
| Chromulina fusiformis Conrad, 1928 |
| Chromulinaceae Engler, 1897 |
| Chrysapsis Pascher, 1910 |
| Chrysapsis yserensis Conrad, 1926 |
| Monochrysis Skuja, 1948 |
| Monochrysis parva Skuja, 1956 |
| Ochromonas Wyssotski, 1887 |
| Ochromonas pinguis Conrad, 1930 |