• Adenocystis utricularis (Bory) Skottsberg, 1907
• Alethocladus corymbosus (Dickie) Sauvageau, 1903 accepted as Halopteris corymbosa (Dickie) Draisma, Prud'homme & H.Kawai, 2010
• Antarctosaccion applanatum (Gain) Delépine, 1970
• Ascoseira mirabilis Skottsberg, 1907
• Austrofilum incommodum (Skottsberg) A.F.Peters, 2003
• Botrydiopsis antarctica Kol, 1971
• Botrydiopsis arhiza Borzì, 1895
• Botrydiopsis constricta Broady, 1976
• Botrydiopsis intercedens Pascher, 1938
• Botryochloris minima Pascher, 1938
• Bumilleria exilis Klebs, 1896 accepted as Xanthonema exile (Klebs) P.C.Silva, 1979
• Bumilleriopsis brevis (Gerneck) Printz, 1914
• Characiopsis borziana Lemmermann, 1914
• Characiopsis naegelii (A.Braun) Lemmermann, 1914
• Chlorellidium tetrabotrys Vischer & Pascher, 1937
• Chloridella glacialis E.Kol, 1968
• Chlorocloster minimus Pascher, 1938
• Chlorocloster pyreniger Pascher, 1938
• Chlorocloster pyreniger var. minor Starmach, 1995
• Chlorocloster simplex Pascher, 1938
• Chlorocloster terrestris Pascher, 1925
• Chordaria linearis (J.D.Hooker & Harvey) A.D.Cotton, 1915
• Chrysosaccus membraniger Starmach, 1995
• Chrysothrix chlorina (Ach.) J.R. Laundon, 1981
• Cystosphaera jacquinotii (Montagne) Skottsberg, 1907
• Desmarestia anceps Montagne, 1842
• Desmarestia antarctica R.L.Moe & P.C.Silva, 1989
• Desmarestia confervoides (Bory de Saint-Vincent) M.E.Ramírez & A.F.Peters, 1993
• Desmarestia menziesii J.Agardh, 1848
• Dictyocha fibula Ehrenberg, 1839
• Dictyocha octonaria Ehrenberg, 1844 accepted as Octactis octonaria (Ehrenberg) Hovasse, 1946
• Dictyocha speculum Ehrenberg, 1839 accepted as Octactis speculum (Ehrenberg) F.H.Chang, J.M.Grieve & J.E.Sutherland, 2017
• Distephanus speculum (Ehrenberg) Haeckel, 1887 accepted as Octactis speculum (Ehrenberg) F.H.Chang, J.M.Grieve & J.E.Sutherland, 2017
• Ducellieria chodatii (Ducellier) Teiling, 1957
• Durvillaea antarctica (Chamisso) Hariot, 1892
• Elachista antarctica Skottsberg, 1953
• Ellipsoidion perminutum Pascher
• Ellipsoidion perminutum var. cryophilum E.Kol, 1968 (uncertain)
• Geminocarpus austrogeorgiae Skottsberg, 1907
• Geminocarpus geminatus (J.D.Hooker & Harvey) Skottsberg, 1907
• Gloeobotrys arborum Geitler, 1942
• Gloeobotrys chlorinus Pascher, 1930
• Gloeobotrys gelatinosus Reisigl, 1964
• Gloeobotrys ovalis Reisigl, 1964
• Gloeochrysis pyrenigera Pascher, 1925
• Halopteris corymbosa (Dickie) Draisma, Prud'homme & H.Kawai, 2010
• Halopteris obovata (J.D.Hooker & Harvey) Sauvageau, 1904
• Heterococcus caespitosus Vischer, 1936
• Heterococcus chodatii Vischer, 1936
• Heterococcus endolithicus Darling, Friedmann & Broady, 1987
• Heterococcus filiformis Pitschmann, 1963
• Heterococcus moniliformis Vischer, 1937
• Heterococcus pleurococcoides Pitschmann, 1963
• Heterococcus protonematoides Vischer, 1945
• Heterococcus viridis Chodat, 1907
• Heterothrix antarctica Broady, 1976 accepted as Xanthonema antarcticum (Broady) Ettl & Gärtner, 1995
• Heterothrix bristoliana Pascher, 1939 accepted as Xanthonema bristolianum (Pascher) P.C.Silva, 1979
• Heterothrix debilis Vischer, 1936 accepted as
• Heterothrix exilis (Klebs) Pascher, 1932 accepted as Xanthonema exile (Klebs) P.C.Silva, 1979
• Heterothrix stichococcoides Pascher, 1939 accepted as Xanthonema stichococcoides (Pascher) P.C.Silva, 1979
• Heterotrichella gracilis Reisigl, 1964
• Himantothallus grandifolius (A.Gepp & E.S.Gepp) Zinova, 1959
• Hydrurus foetidus (Villars) Trevisan, 1848
• Ilsteria lobata Pascher, 1938
• Lepidochromonas butcheri (Pennick & K.J.Clarke) Kapustin & Guiry, 2019
• Lepidochromonas cribosa (I.A.N.Lucas) Kapustin & Guiry, 2019
• Leptonematella falklandica (Skottsberg) M.J.Wynne, 1969
• Lithoderma antarcticum Skottsberg, 1953
• Macrocystis pyrifera (Linnaeus) C.Agardh, 1820
• Meringosphaera mediterranea Lohmann, 1903
• Monodopsis subterranea (J.B.Petersen) D.J.Hibberd, 1981
• Monodus chodatii Pascher, 1925
• Monodus coccomyxa Pascher, 1938
• Monodus fusiformis Starmach, 1995
• Monodus subterraneus J.B.Petersen, 1932 accepted as Monodopsis subterranea (J.B.Petersen) D.J.Hibberd, 1981
• Myrionema incommodum Skottsberg, 1907 accepted as Austrofilum incommodum (Skottsberg) A.F.Peters, 2003
• Nephrodiella semilunaris Pascher, 1937
• Ochromonas minuscula Conrad, 1930
• Ochromonas minuta (I.F.Lewis) Bourrelly, 1957
• Ochromonas nannos Skuja, 1939
• Octactis octonaria (Ehrenberg) Hovasse, 1946
• Octactis speculum (Ehrenberg) F.H.Chang, J.M.Grieve & J.E.Sutherland, 2017
• Oikomonas mutabilis W.S.Kent, 1880
• Oikomonas termo (O.F.Müller) W.S.Kent, 1880
• Paraphysomonas antarctica Takahashi, 1987
• Paraphysomonas butcheri Pennick & Clarke, 1972 accepted as Lepidochromonas butcheri (Pennick & K.J.Clarke) Kapustin & Guiry, 2019
• Paraphysomonas cribosa I.A.N.Lucas, 1968 accepted as Lepidochromonas cribosa (I.A.N.Lucas) Kapustin & Guiry, 2019
• Paraphysomonas cylicophora Leadbeater, 1972
• Paraphysomonas cyliophora Leadbeater, 1972 accepted as Paraphysomonas cylicophora Leadbeater, 1972
• Paraphysomonas imperforata I.A.N.Lucas, 1967
• Paraphysomonas oligocycla Takahashi, 1987
• Paraphysomonas vestita (A.C.Stokes) De Saedeleer, 1930
• Pentalamina corona H.J.Marchant, 1987
• Petalonia fascia (O.F.Müller) Kuntze, 1898
• Petroderma maculiforme (Wollny) Kuckuck, 1897
• Phaeurus antarcticus Skottsberg, 1907
• Pleurochloris anomala E.J.James, 1935 accepted as Bracteacoccus anomalus (E.J.James) R.C.Starr, 1955
• Pleurochloris anomala var. antarctica Kol, 1968
• Pleurochloris commutata Pascher, 1925
• Pleurochloris polychloris Pascher, 1938