| Actinastrum Lagerh., 1882 |
| Actinastrum gracillimum G.M. Sm., 1916 |
| Actinastrum hantzschii Lagerh., 1882 |
| Chlorella M. Beijerinck, 1890 |
| Chlorella acuminata Gerneck, 1907 |
| Chlorella mirabilis V.M. Andreeva, 1973 |
| Chlorella vulgaris Beyerinck, 1890 |
| Chlorellaceae Brunnthaler, 1913 |
| Closteriopsis Lemmerm., 1899 |
| Closteriopsis acicularis (G.M. Sm.) J.H. Belcher & Swale, 1962 |
| Closteriopsis africana Hindák, 1970 |
| Closteriopsis longissima (Lemmerm.) Lemmerm., 1899 |
| Diacanthos Korshikov, 1953 |
| Diacanthos belenophorus Korshikov, 1953 |
| Dicloster Jao, Wei & Hu, 1976 |
| Dicloster acuatus Jao, Wei & Hu, 1976 |
| Dictyosphaerium Nägeli, 1849 |
| Dictyosphaerium botrytella Komárek & Perman, 1978 |
| Dictyosphaerium chlorelloides (Naumann) Komárek & Perman, 1978 |
| Dictyosphaerium ehrenbergianum Nägeli, 1849 |