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

Macrora G D. Hanna 1932
Maluina R. Ross & P.A. Sims 1987
Mammidion J.A. Long, D.P. Fuge & J. Smith 1946
Mammula G. Karsten in A. Engler & K. Prantl 1928
Manguinea T.B.B. Paddock 1988
Mannsia T.B.B. Paddock 1988
Margaritoxon C. Janisch 1862
Margaritum H. Moreira Filho 1968
Martyana F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann 1990
Mastodiscus J.W. Bailey 1854
Mastogloia G.H.K. Thwaites in W. Smith 1856
Mastogonia C.G. Ehrenberg 1844
Mastoneis P.T. Cleve 1894
Mediaria V.S. Scheschukova-Poretzkaja 1962
Melchersiela C. Teixeira 1958
Melonavicula T. Christian 1886
Melosira C.A. Agardh 1824
Membraneis T.B.B. Paddock 1988
Meretrosulus G D. Hanna 1927
Meridion C.A. Agardh 1824
Meristosolen D.M. Harwood & R. Gersonde 1990
Mesasterias C.G. Ehrenberg 1872
Mesodictyon E. Theriot & J.P. Bradbury 1987
Meuniera P.C. Silva in G.R. Hasle & E.E. Syvertsen 1996
Micrampulla G D. Hanna 1927
Micromega C.A. Agardh 1827
Microneis P.T. Cleve 1895
Microorbis R. Gersonde & D.M. Harwood 1990
Microsiphona C.I. Weber 1970
Microspodiscus A. Grunow in H. Van Heurck 1883
Microstigma (P.T. Cleve) F. Meister 1919
Microtabella F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann 1990
Microtheca C.G. Ehrenberg 1838
Minidiscus G.R. Hasle 1973
Minutocellus G.R. Hasle, H.A. von Stosch & E.E. Syvertsen 1983
Miraltia D. Marino, M. Montresor & A. Zingone 1987
Mitralifer A.G. Vologdin 1962
Moelleria P.T. Cleve 1873
Monema M.J. Berkeley 1833
Monema R.K. Greville 1827
Monile R. Ross & P.A. Sims 1987
Monobrachia H.-J. Schrader in H.-J. Schrader & J. Fenner 1976
Monoceros A.C.J. Van Goor 1924
Monocis (name listed in P. Lef&eacutebure 1947)
Monogramma C.G. Ehrenberg 1843
Monopsia E. Grove & G. Sturt 1887
Muelleria (J. Frenguelli) J. Frenguelli 1945
Muelleriella H. Van Heurck 1896
Muelleriopsis N.I. Hendey 1972
Myxobaktron von W. Schmidle 1904
Nanoneis R.E. Norris 1973
Naunema C.G. Ehrenberg 1838
Navicella K. Krammer 1997
Navicula J.B.M. Bory de Saint-Vincent 1822
Naviculadicta H. Lange-Bertalot in H. Lange Bertalot & G. Moser 1994
Naviculopsis V.A. Nikolaev 1966
Neidium E. Pfitzer 1871
Nematoplata J.B.M. Bory de Saint-Vincent 1822
Neobrunia O. Kuntze 1894
Neodelphineis H. Takano 1982
Neodenticula F. Akiba & Y. Yanagisawa 1985
NeodiatomaA. Kanitz 1887
Neofragilaria D.M. Williams & F.E. Round 1988
Neofragilaria T.V. Desikachary, A.K.S.K. Prasad & P. Prema in Desikachary & Prema 1987
Neograya O. Kuntze 1898
Neohuttonia O. Kuntze 1898
Neostreptotheca H.A. von Stosch 1977
Neosynedra D.M. Williams & F.E. Round 1986
Nephroneis M.C. Amspoker 1989
Nitzschia A.H. Hassall 1845
Nitzschiella L. Rabenhorst 1864
Nitzschiopsidea J. Gruss 1928
Noszkya P. Lef&eacutebure & E. Chenevič 1939
Nothoceratium G.B. De Toni 1894
Novilla P.A.C. Heiberg 1863
Nupela W. Vyverman & P. Compč 1991
Ocularia E.J. Quekett 1844
Odontella C.A. Agardh 1832
Odontella-Lampriscus H. Van Heurck 1884
Odontidium F.T. Kü 1844
Odontodiscus C.G. Ehrenberg 1845
Odontotropis A. Grunow 1884
Oestrupia H. Heiden ex F. Hustedt 1935
Okedenia C. Mereschkowsky 1901
Okedenia T. Eulenstein ex G.B. De Toni 1891
Omphalopelta C.G. Ehrenberg 1844
Omphalopsis R.K. Greville 1863
Omphalotheca C.G. Ehrenberg 1854
Oncobyrsa C.A. Agardh 1827
Oncodiscus J.W. Bailey
Oncosphenia C.G. Ehrenberg 1845
Opephora P. Petit 1888
Opephoropsis J. Frenguelli 1945
Ophidocampa C.G. Ehrenberg 1870
Ornithocercus F. Stein 1883
Orthoneis A. Grunow 1867
Orthoseira G.H.K. Thwaites 1848
Orthosira W. Smith 1855
Oscillaria C. Pollini 1816
Oscillatoria J.-P. Vaucher 1803
Oshitea S. Komura 1993
Oxyneis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann 1990
Pachyneis R. Simonsen 1974
Palaeotrigonium A.G. Vologdin 1962
Palmella H.C. Lyngbye 1819
Palmeria R.K. Greville 1865
Palmerina G.R. Hasle 1995
Paltonophora F.T. Kü 1833
Pantocsekia A. Grunow ex J. Pantocsek 1886
Papiliocellulus G.R. Hasle, H.A. von Stosch & E.E. Syvertsen 1983
Pappia M. Hajó in M. Hajó & Z. Rehakova 1974
Paradesmus A.C.J. Corda 1835
Paralia P.A.C. Heiberg 1863
Parelion A. Schmidt in A. Schmidt et al. 1889
Parlibellus E.J. Cox 1988
Pauliella F.E. Round & P.W. Basson 1997
Pelagodictyon K.B. Clarke 1994
Pentapodiscus C.G. Ehrenberg 1843
Peponia R.K. Greville 1863
Peragallia F. Schü 1895
Peragalloella H. Van Heurck 1909
Periptera C.G. Ehrenberg 1844
Perissonoe G.W. Andrews & V.A. Stoelzel 1984
Peristephania C.G. Ehrenberg 1854
Perithyra C.G. Ehrenberg ex H. Van Heurck 1896
Perizonium F. Cohn & C. Janisch ex L. Rabenhorst 1864
Peronia A. de Br&eacutebisson & G.A.W. Arnott ex F. Kitton 1868
Peroniopsis F. Hustedt 1952
Perrya F. Kitton 1874
Petitia M. Peragallo in J. Tempč & H. Peragallo 1909
Petrodictyon D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann 1990
Petroneis A.J. Stickle & D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann 1990
Phacodiscus A. Meunier 1910
Phaeodactylum K. von Bohlin 1897
Pharyngoglossa A.C.J. Corda 1835
Phialediscus L. Vailionis 1930
Phlyctaenia F.T. Kü 1849
Pinnularia C.G. Ehrenberg 1843
Pinnulariosigma T.V. Desikachary, V.N. Raja Rao & V.T. Sridharan in T.V. Desikachary 1989
Pinnunavis H. Okuno 1975
Placoneis C. Mereschkowsky 1903
Plagiodiscus A. Grunow & T. Eulenstein in A. Grunow 1867
Plagiodiscus A. Jurilj 1949
Plagiogramma R.K. Greville 1859
Plagiogrammopsis G.R. Hasle, H.A. von Stosch & E.E. Syvertsem 1983
Plagiolemma T.B.B. Paddock 1988
Plagiotropis E. Pfitzer 1871
Planktoniella F. Schü 1893
Planothidium F.E. Round & L. Bukhtiyarova 1996
Pleurocyclos S.J. Casper & W. Scheffler 1986
Pleurodesmium F.T. Kü 1846
Pleurodiscina P.C. Silva 1970
Pleurodiscus J.W. Barker & S.H. Meakin 1944
Pleuroneis P.T. Cleve 1895
Pleurosigma W. Smith 1852
Pleurosiphonia C.G. Ehrenberg 1871
Pleurosira (G. Meneghini) V.B.A. Trevisan di San Leon 1848
Pleurostauron L. Rabenhorst 1859
Plicatodiscus Z.I. Glezer
Pliocaenicus F.E. Round & H. Hĺ 1992
Ploiaria J. Pantocsek 1889
Plumosigma T. Nemoto 1956
Podiscus J.W. Bailey 1844
Podocystis J.W. Bailey 1854
Pododiscus F.T. Kü 1844
Podosira C.G. Ehrenberg 1840
Podosphenia C.G. Ehrenberg 1837
Pogoneis F.E. Round & P.W. Basson 1997
Polyceratium A.F. Castracane 1886
Polygonalium A.G. Vologdin 1962
Polymyscos C. Janisch 1888
Polymyxus J.W. Bailey ex L.W. Bailey 1861
Pomphodiscus J.W. Barker & S.H. Meakin 1947
Ponticella C.G. Ehrenberg 1872
Pontodiscus D.N. Temniskova-Topalova in Temnoskova-Topalova et al. 1981
Poretzkia A.P. Jousé 1949
Porguenia M.J. Sullivan 1997
Porocyclia C.G. Ehrenberg 1848
Porodiscus R.K. Greville 1863
Porosira E. Jř 1905
Porostauros F. Habirshaw 1877
Porosularia B.V. Skvortzov 1976
Porpeia J.W. Bailey ex J. Ralfs in A. Pritchard 1861
Potamodiscus J. Gerloff 1968
Praecymatosira N.I. Strelnikova 1979
Praeepithemia A.P. Jousé 1952
Praethalassiosiropsis R. Gersonde & D.M. Harwood 1990
Pritchardia L. Rabenhorst 1864
Proboscia B.G. Sundströ 1986
Proboscidea T.B.B. Paddock & P.A. Sims 1980
Proboscineis F. Butzin 1980
Progonoia H.-J. Schrader 1969
Prorocentrum C.G. Ehrenberg 1833
Prorostaurus C.G. Ehrenberg 1843
Proshkinia N.I. Karayeva 1978
Proteucylindrus C.-W. Li & Y.-M. Chiang 1979
Protonema Meneghinini 1845
Protoraphis R. Simonsen 1970
Psammodictyon D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann 1990
Psammodiscus F.E. Round & D.G. Mann 1980
Psammosynedra F.E. Round 1993
Psammothidium L. Bukhtiyarova & F.E. Round 1996
Pseudauliscus A. Schmidt in A. Schmidt et al. 1875
Pseudauliscus G. Leuduger-Fortmorel 1879
Pseudo-eunotia A. Grunow in H. Van Heurck 1881
Pseudo-nitzschia H. Peragallo in H. Peragallo & M. Peragallo 1900
Pseudo-pleurosigma P.T. Cleve & A. Grunow 1880
Pseudoamphiprora (P.T. Cleve) P.T. Cleve 1894
Pseudoaulacodiscus V.N. Vekschina 1961
Pseudoaulacosira E.G. Lupikina & G.K. Khursevich 1991
Pseudocerataulus J. Pantocsek 1889
Pseudodictyoneis P.T. Cleve ex J. Pantocsek 1892
Pseudodimerogramma H.-J. Schrader in H.-J. Schrader & J. Fenner 1976
Pseudoencyonema K. Krammer 1997
Pseudogomphonema L.K. Medlin in L.K. Medlin & F.E. Round 1986
Pseudoguinardia H.A. von Stosch 1985
Pseudohimantidium F. Hustedt & G. Krasske in G. Krasske 1941
Pseudoleyanella H. Takano 1985
Pseudomastogloia J. Pantocsek 1905
Pseudoperonia E. Manguin 1964
Pseudopodosira A.P. Jousé in A.I. Proschkina-Lavrenko 1949
Pseudopyxilla A. Forti 1909
Pseudorutilaria (Grove & Sturt ex De Toni & Levi) Grove & Sturt ex De Toni 1894
Pseudosolenia B.G. Sundströ 1986
Pseudostaurosira D.M. Williams & F.E. Round 1988
Pseudostephanodiscus J. Sieminska 1988
Pseudostictodiscus A. Grunow ex A. Schmidt et al. 1882
Pseudosynedra G. Leuduger-Fortmorel ex C.S. Boyer 1827
Pseudosynedra J. Pantocsek ex G. Moesz 1904
Pseudotriceratium A. Grunow 1884
Psygmatella F.T. Kü 1834
Pteroncola R.W. Holmes & D.A. Croll 1984
Pterotheca A. Grunow ex Forti 1909
Ptychodiscus E. O’Meara 1867
Punctastriata D.M. Williams & F.E. Round 1988
Pyrgodiscus F. Kitton ex P.T. Cleve 1885
Pyrgupyxis N.I. Hendey 1969
Pyxidicula C.G. Ehrenberg 1834
Pyxidicula N.I. Strelnikova & V.A. Nikolaev 1986
Pyxilla R.K. Greville 1865