- Chlorococcum elkhartiense P.A.Archibald & Bold, 1970
- Chlorococcum ellipsoideum Deason & H.C.Bold, 1960
- Chlorococcum humicola (Nägeli) Rabenhorst, 1868 accepted as Chlorococcum infusionum (Schrank) Meneghini, 1842
- Chlorococcum infusionum (Schrank) Meneghini, 1842
- Chlorococcum lobatum (Korshikov) F.E.Fritsch & R.P.John, 1942
- Chlorococcum minutum R.C.Starr, 1955
- Radiosphaera dissecta (Korshikov) Starr, 1955 accepted as Macrochloris dissecta Korshikov, 1926
- Tetracystis fissurata Nakano, 1984