• Scenedesmus Meyen, 1829
• Scenedesmus abundans (O. Kirchner) Chodat, 1913
• Scenedesmus aciculatus P. González, 1940
• Scenedesmus aculeolatus Reinsch, 1877
• Scenedesmus aculeotatus Reinsch
• Scenedesmus acuminatus (Lagerheim) Chodat, 1902
• Scenedesmus acutiformis Schröder, 1897
• Scenedesmus acutus Meyen, 1829
• Scenedesmus aldavei Hegewald
• Scenedesmus alternans Reinsch accepted as Scenedesmus obtusus Meyen, 1829
• Scenedesmus ambuehlii F. Hindák
• Scenedesmus anhuiensis S.S. Wang
• Scenedesmus anomalus (G.M. Smith) Ahlstrom & Tiffany accepted as Didymogenes anomala (G.M. Smith) Hindák, 1974
• Scenedesmus antennatus Brébisson in Ralfs accepted as Scenedesmus dimorphus (Turpin) Kützing, 1833
• Scenedesmus antillarum Comas González, 1981 accepted as Scenedesmus incrassatulus Bohlin, 1897
• Scenedesmus apicaudatus W. West & G.S. West
• Scenedesmus apiculatus (W. West & G.S. West) Chodat, 1926
• Scenedesmus arcuatus Lemmermann, 1899
• Scenedesmus aristatus Chodat
• Scenedesmus armatus (R. Chodat) R. Chodat, 1913
• Scenedesmus arthrodesmiformis Schröder, 1920
• Scenedesmus arvernensis R. Chodat & F. Chodat, 1926
• Scenedesmus asymmetricus (Schröder) Chodat, 1902
• Scenedesmus bacilaris Gutwinski, 1890
• Scenedesmus baculiformis Chodat
• Scenedesmus bajacalifornicus L.A. Lewis & Flechtner, 2004
• Scenedesmus balatonicus Hortobagyi
• Scenedesmus basiliensis Chodat
• Scenedesmus bernardii G.M. Smith, 1916
• Scenedesmus bicaudatus (Hansgirg) Chodat accepted as Scenedesmus bicaudatus Dedusenko
• Scenedesmus bicaudatus Dedusenko
• Scenedesmus bicellularis R. Chodat, 1926
• Scenedesmus bidentatus Hansgirg, 1893
• Scenedesmus bijuga (Turpin) Lagerheim, 1893 accepted as Scenedesmus ellipticus Corda, 1835
• Scenedesmus bijugatus Kützing, 1833 accepted as Scenedesmus obliquus (Turpin) Kützing, 1833
• Scenedesmus bijugus (Turpin) Lagerheim, 1893
• Scenedesmus brasiliensis Bohlin, 1897
• Scenedesmus breviaculeatus R. Chodat, 1926
• Scenedesmus brevispina (G.M. Smith) R. Chodat, 1926
• Scenedesmus caribeanus Kom.
• Scenedesmus carinatus (Lemmermann) Chodat, 1913 accepted as Scenedesmus opoliensis P.G. Richter, 1897
• Scenedesmus caudata Corda accepted as Scenedesmus communis E. Hegewald, 1977
• Scenedesmus caudato-aculeolatus Chodat, 1926
• Scenedesmus caudatus Corda
• Scenedesmus chlorelloides Chodat
• Scenedesmus circumfusus Hortobágyi, 1960
• Scenedesmus coalitus Hortobagyi
• Scenedesmus coelastroides (Bohlin) Schmidle, 1898 accepted as Enallax costatus (Schmidle) Pascher, 1943
• Scenedesmus columnatus Hortobágyi accepted as Scenedesmus armatus (R. Chodat) R. Chodat, 1913
• Scenedesmus communis E. Hegewald, 1977
• Scenedesmus corallinus Chodat, 1926 accepted as Scenedesmus breviaculeatus R. Chodat, 1926
• Scenedesmus costato-granulatus Skuja, 1948
• Scenedesmus costatus Schmidle, 1895
• Scenedesmus costulatus Chodat accepted as Scenedesmus dimorphus (Turpin) Kützing, 1833
• Scenedesmus crassidentatus Péterfi, 1963
• Scenedesmus crassus Chodat, 1926 accepted as Scenedesmus acutus Meyen, 1829
• Scenedesmus cumbricus (G.S. West) Chodat accepted as Tetradesmus cumbricus G.S. West, 1915
• Scenedesmus cuneatus A.P. Skabichevskij accepted as Desmodesmus cuneatus (A.P. Skabichevskij) E. Hegewald
• Scenedesmus curvatocornis Proschkina-Lavrenko
• Scenedesmus curvatus Bohlin
• Scenedesmus dactylococcoides Chodat accepted as Scenedesmus obliquus (Turpin) Kützing, 1833
• Scenedesmus denticulatus Lagerheim, 1882
• Scenedesmus deserticola L.A. Lewis & V.R. Flechtner, 2004
• Scenedesmus dimorphus (Turpin) Kützing, 1833
• Scenedesmus disciformis (Chodat) Fott & Komárek, 1960 accepted as Scenedesmus verrucosus Y.V. Roll, 1925
• Scenedesmus dispar Brébisson, 1868
• Scenedesmus dissociatus (P.A. Verses & F.R. Trainor) E. Hegewald & N. Hanagata, 2000
• Scenedesmus distentus (T. Holtmann) E. Hegewald & N. Hanagata
• Scenedesmus echinulatus Deduss
• Scenedesmus ecornis (Ehrenberg) Chodat
• Scenedesmus elegans L.S. Péterfi accepted as Scenedesmus costato-granulatus Skuja, 1948
• Scenedesmus ellipsoideus Chodat
• Scenedesmus ellipticus Corda, 1835
• Scenedesmus falcatus Chodat, 1894
• Scenedesmus fenestratus Teiling
• Scenedesmus flavescens Chodat, 1913
• Scenedesmus flexuosus (Lemmermann) Ahlstrom accepted as Scenedesmus ellipticus Corda, 1835
• Scenedesmus furcosus Hortobágyi, 1960 accepted as Scenedesmus subspicatus Chodat, 1926
• Scenedesmus fuscus
• Scenedesmus gracils Matvienko, 1938
• Scenedesmus graevenitzii Bernard, 1908 accepted as Scenedesmus obtusus Meyen, 1829
• Scenedesmus grahneisii (Heynig) Fott, 1973
• Scenedesmus granulatus W. West & G.S. West, 1897
• Scenedesmus gujaratensis Isabella & R.J. Patel
• Scenedesmus gutwinskii Chodat accepted as Scenedesmus subspicatus Chodat, 1926
• Scenedesmus hanleyi R.F. Fleming
• Scenedesmus heimii
• Scenedesmus helveticus Chodat accepted as Scenedesmus armatus (R. Chodat) R. Chodat, 1913
• Scenedesmus heteracanthus P. González, 1940
• Scenedesmus hindakii E. Hegewald & N. Hanagata
• Scenedesmus hirsutus F. Hindák
• Scenedesmus hortobagyi Philipose, 1967
• Scenedesmus houlensis Rayss, 1951 accepted as Desmodesmus perforatus (Lemmermann) E. Hegewald
• Scenedesmus huangshanensis S.S. Wang
• Scenedesmus hystrix Lagerheim, 1882
• Scenedesmus incrassatulus Bohlin, 1897
• Scenedesmus indicus Philipose
• Scenedesmus inermis (Fott) E.H. Hegewald accepted as Didymocystis inermis (Fott) Fott, 1973
• Scenedesmus insignis (W. West & G.S. West) Chodat, 1913
• Scenedesmus intermedius Chodat, 1926