• Chlorococcum elkhartiense P.A.Archibald & Bold, 1970 (uncertain)
• Chlorococcum ellipsoideum Deason & 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 accepted as Pleurastrum minutum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Radiosphaera dissecta (Korshikov) Starr, 1955 accepted as Macrochloris dissecta Korshikov, 1926
• Tetracystis fissurata Nakano, 1984