• Havrella mirabilis (Cohn) G.Breton & P.Saulot, 1986
• Oscillatoria agardhii Gomont, 1892 accepted as Planktothrix agardhii (Gomont) Anagnostidis & Komárek, 1988
• Oscillatoria agardhii var. isothrix Skuja, 1948 accepted as Planktothrix isothrix (Skuja) Komárek & Komárková, 2004
• Oscillatoria amphibia C.Agardh ex Gomont, 1892 accepted as Anagnostidinema amphibium (C.Agardh ex Gomont) Strunecký, Bohunická, J.R.Johansen & J.Komárek, 2017
• Oscillatoria anguina Bory ex Gomont, 1892
• Oscillatoria annae Goor, 1918
• Oscillatoria bonnemaisonii P.L.Crouan & H.M.Crouan ex Gomont, 1892
• Oscillatoria bornetii (Zukal) Forti, 1907 accepted as Tychonema bornetii (Zukal) Anagnostidis & Komárek, 1988
• Oscillatoria bornetii f. tenuis Skuja, 1948 accepted as Tychonema bourrellyi (J.W.G.Lund) Anagnostidis & Komárek, 1988
• Oscillatoria brevis Kützing ex Gomont, 1892 accepted as Phormidium breve (Kützing ex Gomont) Anagnostidis & Komárek, 1988
• Oscillatoria brevis var. neapolitana Gomont, 1892 accepted as Phormidium breve (Kützing ex Gomont) Anagnostidis & Komárek, 1988
• Oscillatoria chlorina Kützing ex Gomont, 1892 accepted as Kamptonema chlorinum (Kützing ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Oscillatoria corallinae Gomont ex Gomont, 1890
• Oscillatoria crassa (C.B.Rao) Anagnostidis, 2001
• Oscillatoria curviceps C.Agardh ex Gomont, 1892
• Oscillatoria formosa Bory ex Gomont, 1892 accepted as Kamptonema formosum (Bory ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Oscillatoria laetevirens P.Crouan & H.Crouan ex Gomont, 1892 accepted as Kamptonema laetevirens (H.M.Crouan & P.L.Crouan ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Oscillatoria leptomitiformis Meneghini ex Gomont, 1892
• Oscillatoria limnetica Lemmermann, 1900 accepted as Pseudanabaena limnetica (Lemmermann) Komárek, 1974
• Oscillatoria limosa C.Agardh ex Gomont, 1892
• Oscillatoria lutea C.Agardh, 1824 accepted as Lyngbya lutea Gomont ex Gomont, 1892
• Oscillatoria margaritifera Kützing ex Gomont, 1892
• Oscillatoria nigroviridis Thwaites ex Gomont, 1892 accepted as Phormidium nigroviride (Thwaites ex Gomont) Anagnostidis & Komárek, 1988
• Oscillatoria okenii C.Agardh ex Gomont, 1892 accepted as Kamptonema okenii (C.Agardh ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Oscillatoria ornata Kützing ex Gomont, 1892
• Oscillatoria planctonica Woloszynska, 1912
• Oscillatoria princeps Vaucher ex Gomont, 1892
• Oscillatoria proboscidea Gomont, 1892
• Oscillatoria putrida Schmidle, 1901
• Oscillatoria redekei Goor, 1918 accepted as Pseudanabaena redekei (Goor) B.A.Whitton, 2011 accepted as Limnothrix redekei (Goor) Meffert, 1988
• Oscillatoria rhamphoidea Anagnostidis, 2001
• Oscillatoria rupicola (Hansgirg) Hansgirg ex Forti, 1907
• Oscillatoria sancta Kützing ex Gomont, 1892
• Oscillatoria simplicissima Gomont, 1892
• Oscillatoria subbrevis Schmidle, 1901
• Oscillatoria submembranacea Ardissone & Strafforello ex Gomont, 1892 accepted as Phormidium submembranaceum Kützng ex Gomont, 1892
• Oscillatoria subsalsa C.Agardh, 1824 accepted as Spirulina subsalsa Oersted ex Gomont, 1892
• Oscillatoria tenuis C.Agardh ex Gomont, 1892
• Oscillatoria terebriformis C.Agardh ex Gomont, 1892 accepted as Phormidium terebriforme (C.Agardh ex Gomont) Anagnostidis & Komárek, 1988
• Oscillatoria trichoides Szafer, 1910
• Oxynema acuminatum (Gomont) Chatchawan, Komárek, Strunecky, Smarda & Peerapornpisal, 2012
• Phormidium acuminatum (Gomont) Anagnostidis & Komárek, 1988 accepted as Oxynema acuminatum (Gomont) Chatchawan, Komárek, Strunecky, Smarda & Peerapornpisal, 2012
• Phormidium aerugineocaeruleum (Gomont) Anagnostidis & Komárek, 1988 accepted as Potamolinea aerugineo-caerulea (Gomont) M.D.Martins & L.H.Z.Branco, 2016
• Phormidium ambiguum Gomont, 1892
• Phormidium amphibium (C.Agardh ex Gomont) Anagnostidis & Komárek, 1988 accepted as Anagnostidinema amphibium (C.Agardh ex Gomont) Strunecký, Bohunická, J.R.Johansen & J.Komárek, 2017
• Phormidium articulatum (N.L.Gardner) Anagnostidis & Komárek, 1988
• Phormidium autumnale Gomont, 1892 accepted as Microcoleus autumnalis (Gomont) Strunecky, Komárek & J.R.Johansen, 2013
• Phormidium boryanum (Bory de Saint-Vincent ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium breve (Kützing ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium chalybeum (Mertens ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium chlorinum (Kützing ex Gomont) Umezaki & Watanabe, 1994 accepted as Kamptonema chlorinum (Kützing ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Phormidium corium Gomont ex Gomont, 1892
• Phormidium dictyothallum Skuja, 1948 accepted as Pseudanabaena dictyothalla (Skuja) Anagnostidis, 2001
• Phormidium diguetii (Gomont) Anagnostidis & Komárek, 1988
• Phormidium edessae Skuja, 1937
• Phormidium endophyticum (West & G.S.West) Skuja, 1956
• Phormidium favosum Gomont, 1892
• Phormidium feldmannii Frémy, 1937
• Phormidium formosum (Bory ex Gomont) Anagnostidis & Komárek, 1988 accepted as Kamptonema formosum (Bory ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Phormidium grunowianum (Gomont) Anagnostidis & Komárek, 1988
• Phormidium henningsii Lemmermann, 1907
• Phormidium incrustatum Gomont ex Gomont, 1892
• Phormidium interruptum Kützing ex Forti, 1907
• Phormidium inundatum Kützing ex Gomont, 1892
• Phormidium irriguum (Kützing ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium janthiphorum (Gomont) Elenkin, 1949
• Phormidium jenkelianum G.Schmid, 1914
• Phormidium kuetzingianum (Kirchner ex Hansgirg) Anagnostidis & Komárek, 1988
• Phormidium lacustre (Cado) Anagnostidis, 2001
• Phormidium limosum (Dillwyn) P.C.Silva, 1996 accepted as Oscillatoria limosa C.Agardh ex Gomont, 1892
• Phormidium litorale Golubic, 1960
• Phormidium macedonicum Cado, 1959
• Phormidium minutum Lindstedt, 1943
• Phormidium molischii (Vouk) Anagnostidis & Komárek, 1988
• Phormidium molle Gomont, 1892 accepted as Phormidesmis molle (Gomont) Turicchia, Ventura, Komárková & Komárek, 2009
• Phormidium molle var. tenuior West & G.S.West ex Geitler, 1925
• Phormidium neotenue G.Hällfors, 2004 accepted as Oscillatoria tenuis C.Agardh ex Gomont, 1892
• Phormidium nigroviride (Thwaites ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium nigrum (Vaucher ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium okenii (C.Agardh ex Gomont) Anagnostidis & Komárek, 1988 accepted as Kamptonema okenii (C.Agardh ex Gomont) Strunecký, Komárek & J.Smarda, 2014
• Phormidium pachydermaticum Frémy, 1930
• Phormidium papyraceum Gomont ex Gomont, 1892
• Phormidium priestleyi F.E.Fritsch, 1917 accepted as Phormidesmis priestleyi (F.E.Fritsch) Komárek, Kastovský, Ventura, Turicchia & Smarda, 2009
• Phormidium retzii Kützing ex Gomont, 1892
• Phormidium splendidum (Greville ex Gomont) Anagnostidis & Komárek, 1988 accepted as Geitlerinema splendidum (Greville ex Gomont) Anagnostidis, 1989
• Phormidium subfuscum Kützing ex Gomont, 1892
• Phormidium submembranaceum Kützng ex Gomont, 1892
• Phormidium subuliforme (Thwaites ex Gomont) Anagnostidis & Komárek, 1988 accepted as Phormidium thwaitesii I.Umezaki & M.Watanabe, 1994
• Phormidium tanganyikae (G.S.West) Anagnostidis & Komárek, 1988
• Phormidium tenue Gomont, 1892 accepted as Leptolyngbya tenuis (Gomont) Anagnostidis & Komárek, 1988
• Phormidium terebriforme (C.Agardh ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium tergestinum (Rabenhorst ex Gomont) Anagnostidis & Komárek, 1988
• Phormidium thwaitesii I.Umezaki & M.Watanabe, 1994
• Phormidium uncinatum Gomont ex Gomont, 1892
• Phormidium willei (N.L.Gardner) Anagnostidis & Komárek, 1988