• Chlorococcum Meneghini, 1842
• Chlorococcum acidum P.A.Archibald & Bold, 1970 (uncertain)
• Chlorococcum aegyptiacum P.A.Archibald, 1979
• Chlorococcum aerium (R.M.Brown & Bold) Wanatabe & Lewis, 2017
• Chlorococcum amblystomatis (F.D.Lambert ex N.Wille) N.Correia, J.Varela & Leonel Pereira, 2020
• Chlorococcum aplanosporum Arce & Bold, 1958 accepted as Spongiococcum aplanosporum (Arce & Bold) Shin Watanabe & L.A.Lewis, 2017
• Chlorococcum aquaticum P.A.Archibald, 1979 accepted as Pleurastrum aquaticum (P.A.Archibald) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum arenosum P.A.Archibald & Bold, 1970 accepted as Chlorococcum ellipsoideum Deason & Bold, 1960
• Chlorococcum aureum P.A.Archibald & Bold, 1970 accepted as Pleurastrum minutum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum botryoides (Kützing) Rabenhorst, 1868 (uncertain)
• Chlorococcum chlorococcoides (Korshikov) Philipose, 1967
• Chlorococcum choloepodis (J.Kühn) D.E.Wujek & P.Timpano
• Chlorococcum citriforme P.A.Archibald & Bold, 1970 accepted as Pleurastrum insigne Chodat, 1894
• Chlorococcum compactum Ettl & Gärtner, 1987 accepted as Chlorococcum hypnosporum R.C.Starr, 1955
• Chlorococcum costatozygotum Ettl & Gärtner, 1987
• Chlorococcum croceum P.A.Archibald & Bold, 1970 accepted as Chlorococcum oleofaciens Trainor & Bold, 1954 accepted as Pleurastrum insigne Chodat, 1894
• Chlorococcum diplobionticoideum Chantanachat & Bold, 1962 accepted as Tetracystis diplobionticoidea (Chantanachat & Bold) P.A.Archibald & H.C.Bold, 1970
• Chlorococcum diplobionticum Herndon, 1958 accepted as Pleurastrum diplobionticum (Herndon) Sciuto, M.A.Wolf, Mistri & Mori, 2023
• Chlorococcum dissectum Korshikov, 1953 accepted as Neochloris dissecta (Korshikov) Tsarenko, 2000
• Chlorococcum dorsiventrale N.Kurano, M.Kodama, M.Chihara & S.Miyachi, 1993 (uncertain)
• Chlorococcum echinozygotum R.C.Starr, 1955 accepted as Chlorococcum infusionum (Schrank) Meneghini, 1842
• Chlorococcum elbense Archibald, 1979
• Chlorococcum elkhartiense P.A.Archibald & Bold, 1970 (uncertain)
• Chlorococcum ellipsoideum (Korshikov) Philipose, 1967 (uncertain)
• Chlorococcum ellipsoideum Deason & Bold, 1960
• Chlorococcum endozoicum Collins, 1909
• Chlorococcum fissum P.A.Archibald & H.C.Bold, 1970
• Chlorococcum gelatinosum P.A.Archibald & Bold, 1970 accepted as Neospongiococcum gelatinosum Ettl & Gärtner, 1987
• Chlorococcum gigas (Kützing) Grunow, 1868 accepted as Gloeocystis gigas (Kützing) Lagerheim, 1883 accepted as Chlamydocapsa planctonica (West & G.S.West) Fott, 1972
• Chlorococcum granulosum Archibald, 1979 accepted as Chlorococcum oleofaciens Trainor & Bold, 1954 accepted as Pleurastrum insigne Chodat, 1894
• Chlorococcum humicola (Nägeli) Rabenhorst, 1868 accepted as Chlorococcum infusionum (Schrank) Meneghini, 1842
• Chlorococcum humicola var. incrassatum F.E.Fritsch & R.P.John, 1942 accepted as Chlorococcum infusionum (Schrank) Meneghini, 1842
• Chlorococcum hypnosporum R.C.Starr, 1955
• Chlorococcum infusionum (Schrank) Meneghini, 1842
• Chlorococcum infusionum var. macrostigmatica L.Moewus
• Chlorococcum intermedium Deason & Bold, 1960 accepted as Tetracystis intermedia (Deason & Bold) R.M.Brown & H.C.Bold, 1964
• Chlorococcum isabeliense P.A.Archibald & Bold, 1970 (uncertain)
• Chlorococcum kermesinum (Wrangel) Fries, 1825 accepted as Haematococcus lacustris (Girod-Chantrans) Rostafinski, 1875
• Chlorococcum lacustre P.A.Archibald & Bold, 1970 accepted as Pleurastrum isabeliense Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum littorale Chihara, Nakayama & I.Inouye, 1994 accepted as Alvikia littoralis (Chihara, Nakayama & Inouye) Shin Watanabe & L.A.Lewis, 2017
• Chlorococcum lobatum (Korshikov) F.E.Fritsch & R.P.John, 1942
• Chlorococcum loculatum P.A.Archibald & Bold, 1970 accepted as Pleurastrum vacuolatum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum macropyrenoidosum (Deason & E.R.Cox) Shin Watanabe & L.A.Lewis, 2017
• Chlorococcum macrostigmatum R.C.Starr, 1954
• Chlorococcum microstigmatum P.A.Archibald & Bold, 1970 (uncertain)
• Chlorococcum minimum Ettl & Gärtner, 1987
• Chlorococcum minutum R.C.Starr, 1955 accepted as Pleurastrum minutum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum montagnei Meneghini (uncertain)
• Chlorococcum multinucleatum Starr, 1955 accepted as Deasonia granata (Starr) Ettl & Komárek, 1982
• Chlorococcum murorum Greville, 1828 accepted as Desmococcus olivaceus (Persoon ex Acharius) J.R.Laundon, 1985
• Chlorococcum nivale Archibald, 1979
• Chlorococcum novae-angliae P.A.Archibald & Bold, 1970 (uncertain)
• Chlorococcum olefaciens Trainor (uncertain)
• Chlorococcum oleofaciens Trainor & Bold, 1954 accepted as Pleurastrum insigne Chodat, 1894
• Chlorococcum olivaceum (Rabenhorst) Rabenhorst, 1863
• Chlorococcum oviforme P.A.Archibald & Bold, 1970 accepted as Chlorococcum ellipsoideum Deason & Bold, 1960
• Chlorococcum paludosum P.A.Archibald & Bold, 1970 accepted as Chlorococcum elkhartiense P.A.Archibald & Bold, 1970
• Chlorococcum pamirum P.A.Archibald, 1988
• Chlorococcum papillatum Demczenko, 1996
• Chlorococcum perforatum Arce & Bold, 1958 accepted as Pleurastrum vacuolatum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum perplexum P.A.Archibald & Bold, 1970 accepted as Chlorococcum ellipsoideum Deason & Bold, 1960
• Chlorococcum pinguideum Arce & Bold, 1958 (uncertain)
• Chlorococcum pleiopyrenigerum (L.Moewus) Ettl & Gärtner, 1987
• Chlorococcum polymorphum Bischoff & Bold, 1963 accepted as Apodochloris polymorpha (Bischoff & Bold) Komárek, 1979
• Chlorococcum pseudodictyosphaerium Metting, 1980
• Chlorococcum pulchrum P.A.Archibald & Bold, 1970 accepted as Chlorococcum ellipsoideum Deason & Bold, 1960
• Chlorococcum punctatum Arce & Bold, 1958 accepted as Deasonia punctata (Arce & Bold) Ettl & Komárek, 1982
• Chlorococcum pyrenoidosum
• Chlorococcum refringens P.A.Archibald & Bold, 1970 accepted as Chlorococcum pinguideum Arce & Bold, 1958
• Chlorococcum regulare West, 1892 accepted as Chlorobotrys regularis (West) Bohlin, 1901
• Chlorococcum reticulatum P.A.Archibald & Bold, 1970 accepted as Pleurastrum minutum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum robustum Ettl & Gärtner, 1987 accepted as Chlamydopodium vacuolatum (K.W.Lee & Bold) Ettl & Komárek, 1982
• Chlorococcum rugosum P.A.Archibald & Bold, 1970 accepted as Pleurastrum isabeliense Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum salinum Archibald, 1988
• Chlorococcum salsugineum P.A.Archibald & Bold, 1970 accepted as Pleurastrum vacuolatum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum scabellum Deason & Bold, 1960 accepted as Pleurastrum minutum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum schizochlamys (Korshikov) Philipose, 1967
• Chlorococcum schwarzii Ettl & Gärtner, 1987
• Chlorococcum sociabile F.Brand, 1925
• Chlorococcum sphacosum P.A.Archibald & Bold, 1970 accepted as Pleurastrum insigne Chodat, 1894
• Chlorococcum starrii Trainor & Verses, 1967 accepted as Cystomonas starrii (Trainor & Verses) Ettl & Gärtner, 1987
• Chlorococcum submarinum Ålvik, 1934
• Chlorococcum szentendrense Greipel, Kutasi, Solymosi & Felföldi, 2022
• Chlorococcum tatrense P.A.Archibald, 1979 accepted as Pleurastrum insigne Chodat, 1894
• Chlorococcum tetrasporum Arce & Bold, 1958 accepted as Tetracystis tetraspora (Arce & Bold) R.M.Brown & H.C.Bold, 1964
• Chlorococcum texanum P.A.Archibald & Bold, 1970 accepted as Pleurastrum vacuolatum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum turfosum (Shin Watanabe & L.A.Lewis) Nakada, Shin Watanabe & L.A.Lewis, 2019
• Chlorococcum typicum P.A.Archibald & Bold, 1970 accepted as Pleurastrum minutum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum uliginosum Archibald & Bold, 1970 accepted as Chlorococcum elkhartiense P.A.Archibald & Bold, 1970
• Chlorococcum vacuolatum (Deason & Cox) S.Watanabe & L.A.Lewis, 2017 (uncertain)
• Chlorococcum vacuolatum R.C.Starr, 1954 accepted as Pleurastrum vacuolatum (R.C.Starr) Sciuto, M.A.Wolf, Mistri & Moro, 2023
• Chlorococcum viscosum Chodat, 1913 (uncertain)
• Chlorococcum vitiosum Printz, 1921
• Chlorococcum vulgare Greville, 1827 accepted as Protococcus vulgaris (Greville) Kützing, 1849
• Chlorococcum wimmeri (F.W.Hilse) Rabenhorst, 1868 (uncertain)