Acanthoceras - Druridgia | Echinaria - Lysigonium | Macrora - Pyxilla | Radialiplicata - Zygoceros

Radialiplicata (Z.I. Glezer) Z.I. Glezer 1992
Radiodiscus (W.M. Bale) Mills 1932
Radiodiscus A. Forti & P. Schulz 1932
Radiopalma J. Brun 1891
Ralfsia E. O’Meara 1875
Rancia L. Mangin ex J. Chavaillon 1939
Raphidodiscus T. Christian 1887
Rattrayella G.B. De Toni 1889
Reicheltia H. Van Heurck 1896
Reimeria J.P. Kociolek & E.F. Stoermer 1987
Rhabdium C.F.W. Wallroth 1833
Rhabdonema F.T. Kü 1844
Rhabdosira C.G. Ehrenberg 1870
Rhaphidogloea F.T. Kü 1844
Rhaphidophora J.A. Long, D.P. Fuge & J. Smith 1946
Rhaphiophorasphaera B.L. Clark & A.S. Campbell 1945
Rhaphoneis C.G. Ehrenberg 1844
Rhipidophora F.T. Kü 1844
Rhizonotia C.G. Ehrenberg 1843
Rhizosolenia C.G. Ehrenberg 1843
Rhizosolenia T. Brightwell 1858
Rhoicosigma A. Grunow 1867
Rhoicosphenia A. Grunow 1860
Rhoikoneis A. Grunow 1863
Rhopalodia O. Mü 1895
Rhynchopyxis R. Gersonde & D.M. Harwood 1990
Richelia J. Schmidt in C.H. Ostenfeld & J. Schmidt 1901
Riedelia A.P. Jousé & V.S. Sheshukova-Poretzkaja 1971
Robinsetta G D. Hanna & A.L. Brigger 1964
Rocella G D. Hanna 1930
Roperia A. Grunow in H. Van Heurck 1883
Rosaria Carmichael in Hooker 1833
Rossia M. Voigt 1960
Rossiella T.V. Desikachary & C.L. Maheshwari 1958
Rossithidium F.E. Round & L. Bukhtiyarova 1996
Rouxia J. Brun & J. H&eacuteribaud in J. H&eacuteribaud 1893
Rutilaria R.K. Greville 1863
Rutilariopsis H. Van Heurck 1896
Rylandsia R.K. Greville & J. Ralfs in R.K. Greville 1861
Salacia J. Pantocsek 1889
Salpa (name listed in P. Lef&eacutebure 1947)
Sameioneis D.J. Russell & R.E. Norris 1971
Sawamuraia S. Komura 1976
Scalptrum A.C.J. Corda 1835
Scapha Edwards ex C. Johnston 1860
Sceptroneis C.G. Ehrenberg 1844
Sceptronema H. Takano 1983
Schimittia (name listed in P. Lef&eacutebure 1947)
Schimperiella G. Karsten 1905
Schizonema C.A. Agardh 1824
Schizostauron A. Grunow 1867
Schmidtia C. Janisch 1888
Schmidtiella C.H. Ostenfeld 1902
Schroederella J. Pavillard 1913
Schuettia G.B. De Toni 1894
Schulziella G D. Hanna & A. Forti in A. Forti 1933
Schumanniana (name listed in P. Lef&eacutebure 1947)
Scoliodiscus A. Jurilj 1954
Scolioneis D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann 1990
Scolioneis F. Meister 1918
Scoliopleura A. Grunow 1860
Scoliotropis P.T. Cleve 1894
Scoresbya N.I. Hendey 1937
Scytellum C.A. Agardh (according to Van Heurck 1896) 1827
Scytonema C.A. Agardh 1824
Secallia F. Azpeitia 1911
Sellaphora C. Mereschkowsky 1902
Sembeya (name listed in P. Lef&eacutebure 1947)
Seminavis D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann 1990
Semiorbis R. Patrick in R. Patrick & C.W. Reimer 1966
Semseyia J. Pantocsek 1902
Sheshukovia Z.I. Glezer 1975
Sigma M. Peragallo in J. H&eacuteribaud et al. 1920
Sigmatella F.T. Kü 1833
Simonsenia H. Lange-Bertalot 1979
Simonseniella J. Fenner 1991
Skeletonema R.K. Greville 1865
Skeletonemopsis P.A. Sims 1994
Smithiella H. Peragallo in H. Peragallo & M. Peragallo 1901
Solium P.A.C. Heiberg 1863
Spatangidium A. de Br&eacutebisson 1857
Spermatogonia G. Leuduger-Fortmorel 1892
Sphaerophora (A.H. Hassall) J. Lindley 1846
Sphaerotermia C.G. Ehrenberg 1852
Sphaerozosma Corda 1835
Sphenella F.T. Kü 1844
Sphenoneis V.B.A. Trevisan di San Leon 1848
Sphenophora F.T. Kü 1833
Sphenosira C.G. Ehrenberg 1843
Sphinctocystis A.H. Hassall 1845
Sphynctolethus G D. Hanna 1927
Spinigera H. Heiden & R.W. Kolbe 1928
Spinivinculum R. Ross 1990
Spinodiscus T.V. Desikachary & K.A. Ranjitha Devi in T.V. Desikachary 1986
Spirodiscus A. Jurilj 1949
Spongia Linnaeus 1753
Spongophyllium C.G. Ehrenberg?
Staurogramma L. Rabenhorst 1853
Stauroneis C.G. Ehrenberg 1843
Stauronella C. Mereschkowsky 1901
Staurophora C. Mereschkowsky 1903
Stauropsis A. Meunier 1910
Stauroptera C.G. Ehrenberg 1843
Staurosigma A. Grunow 1860
Staurosira C.G. Ehrenberg 1843
Staurosira P. Petit ex J. Pelletan 1889
Staurosirella D.M. Williams & F.E. Round 1988
Staurotropis T.B.B. Paddock 1988
Stelladiscus J. Rattray 1890
Stellarima G.R. Hasle & P.A. Sims 1986
Stenoneis P.T. Cleve 1894
Stenopterobia A. de Br&eacutebisson ex H. Van Heurck 1896
Stenopterotia F. Habirshaw 1878
Stephanocostis S.I. Genkal & A.E. Kuzmina 1985
Stephanocyclus A.P. Skabitschevsky 1975
Stephanodiscus C.G. Ehrenberg 1845
StephanogoniaC.G. Ehrenberg 1844
Stephanopyxis (C.G. Ehrenberg) C.G. Ehrenberg 1845
Stephanosira C.G. Ehrenberg 1848
Stephanosira G. Karsten 1906
Stichostaura C.G. Ehrenberg 1853
Stictocyclus A. Mann 1925
Stictodesmis R.K. Greville 1863
Stictodiscus R.K. Greville 1861
Stigmaphora G.C. Wallich 1860
Stilus T.B.B. Paddock 1988
Stoermeria J.P. Kociolek, L. Escobar & S. Richardson 1996
Stoschia C. Janisch ex Grunow in H. Van Heurck 1883
Stoschiella C. Gardner & K. Wenderoth in Gardner, Schulz, Crawford & Wenderoth 1995
Strangulonema R.K. Greville 1865
Strelnikovia R. Ross & P.A. Sims 1985
Streptotheca W.H. Shrubsole 1890
Striatella C.A. Agardh 1832
Striatocellina Z.I. Glezer
Strombus F. Schü ex A.F. Castracane 1892
Sturtgrovea O. Kuntze 1898
Sturtiella R. Simonsen & H.-J. Schrader 1974
Styllaria Draparnaud ex J. Bory de Saint-Vincent 1822
Stylobiblium C.G. Ehrenberg 1845
Styloneis C.G. Ehrenberg 1845
Subsilicea H.A. von Stosch & B.E.F. Reimann 1970
Suriraya E. Pfitzer 1871
Surirella P.J.F. Turpin 1828
Symblepharis C.G. Ehrenberg 1872
Symbolophora C.G. Ehrenberg 1844
Syncyclia C.G. Ehrenberg 1837
Syndendrium C.G. Ehrenberg 1845
Syndetocystis J. Ralfs ex Greville 1866
Syndetoneis A. Grunow 1888
Synedra C.G. Ehrenberg 1830
Synedrosphenia (H. Peragallo & M. Peragallo) F. Azpeitia 1911
Syringidium C.G. Ehrenberg 1845
Syrinx A.C.J. Corda 1835
Systephania C.G. Ehrenberg 1844
Szechenyia J. Pantocsek 1903
Szechenyia J. Pantocsek 1904
Tabellaria C.G. Ehrenberg ex F.T. Kü 1844
Tabularia (F.T. Kü) D.M. Williams & F.E. Round 1986
Tabulina J. Brun in J. Brun & J. Tempè 1889
Temachium C.F.W. Wallroth 1833
Temperea A. Forti 1912
Temperea M. Peragallo in J. Tempè & H. Peragallo 1908
Temperella F.W. Mills 1935
Terebraria R.K. Greville 1864
Terpsinoe C.G. Ehrenberg 1843
Tertiarius H. Hå & G. Khursevich 1997
Tessella C.G. Ehrenberg 1837
Tetrachaeta C.G. Ehrenberg 1844
Tetracyclus J. Ralfs 1843
Tetragramma C.G. Ehrenberg 1843
Tetramphora C. Mereschkowsky 1903
Tetrapodiscus C.G. Ehrenberg 1843
Thalassiocyclus H. Hå & A. Mahood 1993
Thalassioneis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann 1990
Thalassionema (H. Peragallo & M. Peragallo) M. Peragallo 1921
Thalassiophysa P.S. Conger 1954
Thalassiosira P.T. Cleve 1873
Thalassiosiropsis G.R. Hasle in G.R. Hasle & E.E. Syvertsen 1985
Thalassiothrix P.T. Cleve & A. Grunow 1880
Thaumaleorhabdium V.B.A. Trevisan di San Leon 1848
Thaumatonema R.K. Greville 1863
Thumia P.T. Cleve ex P. Lef&eacutebure & E. Cheneviè 1938
Tibiella C.E. Bessey 1900
Tortilaria W.J. Barker & S.H. Meakin 1948
Toxarium J.W. Bailey 1854
ToxonideaA.S. Donkin 1858
Toxosira A. de Br&eacutebisson ex M. Peragallo 1903
Trachyneis P.T. Cleve 1894
Trachysphenia P. Petit in Folin & Perrier 1877
Triaulacias C.G. Ehrenberg 1844
Tribrachia A. Mann 1925
Triceratium C.G. Ehrenberg 1839
Trichotoxon F.M. Reid & F.E. Round 1987
Trigonium P.T. Cleve 1867
Trinacria P.A.C. Heiberg 1863
Tripodiscus C.G. Ehrenberg 1840
Trochiscia F.T. Kü 1834
Trochiscia F.T. Kü 1845
Trochiscia J.T.C. Montagne 1837
Trochosira F. Kitton 1871
Trochosiropsis Z.I. Glezer 1984
Trochus R. Gersonde & D.M. Harwood 1990
Tropidoneis P.T. Cleve 1891
Truania J. Pantocsek 1886
Tryblionella W. Smith 1853
Tryblioptychus N.I. Hendey 1958
Tschestnovia J. Pantocsek 1889
Tubaformis A.M. Gombos, Jr. 1983
Tubularia J. Brun 1894
Tubulariella P.C. Silva 1970
Tumulopsis N.I. Hendey 1982
Ulnaria F.T. Kü 1844
Ulva C. Linneaeus 1753
Undatella T.B.B. Paddock & P.A. Sims 1980
Undatodiscus E.G. Lupikina 1984
Upothema J.A. Long, D.P. Fuge & J. Smith 1946
Urosolenia F.E. Round & R.M. Crawford in F.E. Round, R.M. Crawford & D.G. Mann 1990
Valdiviella A.F.W. Schimper in G. Karsten 1907
Vanheurckella J. Pantocsek 1892
Vanheurckia A. de Br&eacutebisson 1868
Vanhoeffenus H. Heiden & R.W. Kolbe 1928
Vavia A. Missuna 1914
Vernadskowia A. Missuna 1914
Vesiculifera A.H. Hassall 1845
Vibrio O.F. Mü 1773
Vorticella O.F. Mü 1773
Weissflogia C. Janisch 1888
Willemoesia F. Castracane 1886
Williamsonii (name listed in P. Lef&eacutebure 1947)
Wittia J. Pantocsek 1889
Wrightia E. O’Meara 1867
Xanthiopsis F. Wolle 1890
Xanthiopyxis (C.G. Ehrenberg) C.G. Ehrenberg 1845
Xystotheca G D. Hanna 1932
Yoshidaia S. Komura 1976
Zotheca J. Pantocsek 1902
Zygoceros C.G. Ehrenberg 1839