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Between brackets is the number of
accepted extant species
explain all fields
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2
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3
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4
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5
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Show accepted taxa only
Only show main ranks
Bacillariophyceae
(5 957)
Subclass
Bacillariophyceae
incertae sedis
(189)
Subclass
Bacillariophycidae
(4 408)
Subclass
Coscinodiscophycidae
(877)
Superorder
Biddulphianae
(230)
Superorder
Chaetocerotanae
(95)
Superorder
Corethranae
(1)
Superorder
Coscinodiscanae
(300)
Order
Arachnoidiscales
(4)
Order
Asterolamprales
(24)
Order
Aulacoseirales
(50)
Order
Chrysanthemodiscales
Order
Coscinodiscales
(146)
Order
Ethmodiscales
Order
Melosirales
(54)
Family
Endictyaceae
Family
Hyalodiscaceae Crawford, 1990
(6)
Family
Melosiraceae Kützing, 1844, sensu emend.
(37)
Genus
Angusticopula
Houk et al., 2017
(5)
Genus
Druridgea
G.B. De Toni, 1894
(1)
Genus
Ferocia
Van de Vijver & Houk in Van de Vijver et al., 2017
(4)
Genus
Gaillionella
Bory de Saint-Vincent, 1826
accepted as
Gaillonella
J.B.M. Bory de Saint-Vincent, 1825
Genus
Melosira
C.A. Agardh, 1824
(26)
Species
Melosira accinctus
Hohn & Hellerman, 1963
Species
Melosira aculeifera
Scheschukova-Poretzkaya in Scheschukova-Poretzkaya & Moissejeva, 1964
Species
Melosira adeliae
Manguin, 1957
Species
Melosira aequalis
Agardh, 1832
Species
Melosira africana
Leuduger-Fortmorel, 1898
Species
Melosira agassizii
Ostenfeld, 1909
Species
Melosira agria
Pantocsek, 1905
Species
Melosira akkavaarensis
Tynni, 1982
Species
Melosira albicans
Sheshukova, 1961
Species
Melosira alphabetica
Mann, 1937
Species
Melosira alternans
Pouchet, 1893
Species
Melosira ambigua
(Grunow) O.F.Müller
Species
Melosira americana
Kützing, 1844
Species
Melosira anastomosans
Grunow in Van Heurck, 1882
Species
Melosira angulata
(Gregory) Rabenhorst, 1864
accepted as
Orthosira angulata
Gregory, 1857
Species
Melosira angustissima
Neizvestnova-Zhadina, 1941
Species
Melosira annularis
Eichwald, 1847
Species
Melosira anormal
Van Heurck, 1882
Species
Melosira antarctica
Van Heurck, 1909
Species
Melosira antiqua
A.I.Moiseeva, 1963 †
accepted as
Alveolophora antiqua
(A.I.Moisseeva) A.I.Moisseeva, 1990 †
Species
Melosira architecturalis
Brun in Schmidt et al., 1892 †
Species
Melosira arctica
Dickie, 1852
Species
Melosira arctica
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella arctica
(Dickie) Ehrenberg, 1853
Species
Melosira arcuata
Pantocsek, 1892
Species
Melosira arenaria
Moore ex Ralfs, 1843
accepted as
Ellerbeckia arenaria
(Moore ex Ralfs) R.M.Crawford, 1988
Species
Melosira arenosa
Moore ex Hassall, 1852
Species
Melosira arentii
(Kolbe) Nagumo & Kobayasi, 1977
accepted as
Cyclotella arentii
Kolbe, 1948
Species
Melosira areolata
O.Müller, 1904
Species
Melosira areolata
A.I.Moissejeva, 1971
accepted as
Alveolophora areolata
A.I.Moiseeva, 1990 †
Species
Melosira argus
Otto Müller, 1904
Species
Melosira arundinacea
F.S.Castracane degli Antelminelli
Species
Melosira asiatica
Brun in Schmidt et al., 1892
accepted as
Cyclotella asiatica
Brun in Brun & Tempère, 1889
Species
Melosira astridae
D. Metzeltin & H. Lange-Bertalot, 2007
Species
Melosira atlymica
Rubina, 1962
Species
Melosira aueri
Cleve-Euler, 1948
Species
Melosira bacillosa
Otto Müller, 1903
Species
Melosira baicalensis
(K.I.Meyer) Wislouch
Species
Melosira baikalensis
S.Wislouch, 1924
Species
Melosira baileyi
(H.L.Smith) Wolle, 1890
accepted as
Cestodiscus baileyi
H.L.Smith, 1878 †
Species
Melosira bellicosa
Héribaud, 1903
Species
Melosira biharensis
Pantocsek, 1886
Species
Melosira binderana
Kützing, 1844
accepted as
Stephanodiscus binderanus
(Kützing) Krieger, 1927
Species
Melosira binderiana
(Kützing) Rabenhorst, 1853
accepted as
Melosira italica var. binderiana
Kützing, 1844
Species
Melosira biseriata
(Ehrenberg) Schmidt in Schmidt et al., 1892
Species
Melosira bituminosa
Pantocsek
Species
Melosira biwae
Mori, 1974
Species
Melosira bongrainii
M. Peragallo, 1921
Species
Melosira borreri
Greville, 1833
Species
Melosira borreri
sensu Wyatt
Species
Melosira borrerii
Species
Melosira bottnica
Grunow in Cleve & Möller, 1879
Species
Melosira boulayana
Peragallo in Héribaud, 1902
Species
Melosira brandinii
L.F.Fernandes & R.M.Souza-Mosimann, 2001
Species
Melosira bruni
M.Peragallo & Héribaud-Joseph
Species
Melosira californica
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella californica
Ehrenberg, 1852
Species
Melosira caliginosa
Hanna, 1927
Species
Melosira calligera
(Ehrenberg) Kützing, 1849
accepted as
Gaillonella calligera
Ehrenberg, 1845
Species
Melosira campaniensis
Moshkovitz, Ehrlich & Soudry, 1983
Species
Melosira campylosira
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella campylosira
Ehrenberg, 1854
Species
Melosira camusi
Héribaud-Joseph
Species
Melosira canadensis
Hustedt, 1952
Species
Melosira canalifera
J.-J.Brun & Héribaud-Joseph
Species
Melosira caputmedusae
Pantocsek, 1886
Species
Melosira carconensis
Grunow in Van Heurck, 1882
Species
Melosira caspica
Henckel, 1909
Species
Melosira castracani
(Brun) Tsumura, 1967
accepted as
Cyclotella castracani
Brun, 1891
Species
Melosira cataractarum
F.Hustedt
accepted as
Nanofrustulum cataractarum
(Hust.) C.E.Wetzel, E.Morales & Ector, 2019
Species
Melosira catenata
Brun, 1895
Species
Melosira charcotii
M. Peragallo, 1921
Species
Melosira cincta
Pantocsek, 1886
Species
Melosira circularis
(Ehreb.) Ralfs, 1861
accepted as
Gaillonella circularis
Ehrenberg, 1854
Species
Melosira circulata
Species
Melosira clavigera
Grunow in Van Heurck, 1882
Species
Melosira clypeus
J. Brun in Brun & Tempère, 1889
Species
Melosira coarctata
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella coarctata
Ehrenberg, 1843
Species
Melosira complexa
Lohman, 1948
Species
Melosira concatenata
(Kützing) Rabenhorst, 1864
accepted as
Melosira salina var. concatenata
Kützing, 1844
Species
Melosira concentrica
(A.Schmidt) J.Fenner
accepted as
Paralia concentrica
Schmidt in Schmidt et al., 1892
Species
Melosira concinna
Castracane, 1866
Species
Melosira constricta
Akimova, 1940
Species
Melosira cornuta
Tempère & Brun in Brun & Tempère, 1889
Species
Melosira coronaria
Mann, 1907
Species
Melosira coronaria
M. Peragallo in Peragallo & Peragallo, 1911
Species
Melosira coronata
(Ehrenberg) Kützing
Species
Melosira coronata
sensu Kutzing, 1849
Species
Melosira costata
Greville, 1866
Species
Melosira crassa
K.E. Lohman, 1957
Species
Melosira crenata
(Ehrenberg) Cramer, 1868
accepted as
Gaillonella crenata
Ehrenberg, 1844
Species
Melosira crenulata
(Ehrenberg) Kützing, 1844
accepted as
Gaillonella crenulata var. crenulata
Ehrenberg, 1843
Species
Melosira crenulata
Cleve & Möller
Species
Melosira crenulatata
Species
Melosira cretacea
Jousé, 1951
Species
Melosira cribrosa
Brebisson in W. Smith, 1857
Species
Melosira cristata
Pantocsek, 1889
Species
Melosira crotonensis
(J.W. Bailey) H.L. Smith, 1876
accepted as
Gaillonella crotonensis
J.W. Bailey, 1854
Species
Melosira crotonensis
sensu Wolle, 1890
Species
Melosira crucicula
G.B.De Toni
Species
Melosira crucipunctata
Bachmann, 1936
Species
Melosira csakyana
Pantocsek, 1913
Species
Melosira cucullata
Chen, 1980
Species
Melosira curvatula
Janisch in Schmidt et al., 1892
Species
Melosira cycola
Ehrenberg
Species
Melosira dactylus
(Ehrenberg) Tempère & Peragallo, 1914
Species
Melosira davidsonii
Schmidt in Schmidt et al., 1893
Species
Melosira de vriesii
Otto Müller, 1903
Species
Melosira deblockii
H.F.Van Heurck
Species
Melosira debyi
(Pantocsek) F.W. Mills, 1934
accepted as
Paralia debyi
Pantocsek, 1892
Species
Melosira debyi
(Pantocsek) Jurilj, 1957
accepted as
Paralia debyi
Pantocsek, 1892
Species
Melosira decipiens
Grove in Schmidt et al., 1893
Species
Melosira decussata
(Ehrenberg) Kützing
Species
Melosira dendrophila
(Ehrenberg) R.Ross & P.A.Sims, 1978
Species
Melosira dendroteres
(Ehrenberg) R.Ross, 1947
accepted as
Orthoseira dendroteres
(Ehrenberg) F.E.Round, R.M.Crawford & D.G.Mann, 1990
Species
Melosira densserrae
Long, Fuge & Smith, 1946
Species
Melosira dentata
H.L. Smith, 1884
Species
Melosira denticulata
K.E. Lohman, 1957
Species
Melosira dewildemanii
Van Heurck, 1909
Species
Melosira dickiei
(Thwaites) Kützing, 1849
Species
Melosira discigera
Agardh, 1824
Species
Melosira dispersa
Carter, 1966
Species
Melosira distans
(Ehrenberg) Kützing, 1844
accepted as
Aulacoseira distans
(Ehrenberg) Simonsen, 1979 †
Species
Melosira distans
(Grunow in Van Heurck) Skabichevskii, 1960
accepted as
Melosira distans f. alpigena
Grunow in Van Heurck, 1882
Species
Melosira dougetii
Manguin, 1957
Species
Melosira dozyana
Kützing
Species
Melosira dubia
Kützing, 1844
Species
Melosira duplicata
Schmidt in Schmidt et al., 1893
Species
Melosira dura
Mann, 1925
Species
Melosira echinata
E.E.Manguin
Species
Melosira echinus
Frenguelli, 1938
accepted as
Pseudopodosira echinus
(Frenguelli) D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 †
Species
Melosira elegans
Mukhina in Jousé & Mukhina, 1978
Species
Melosira elongata
Jousé, 1966
Species
Melosira epidendron
(Ehrenberg) Boyer, 1927
accepted as
Stephanosira epidendron
Ehrenberg, 1848
Species
Melosira excentrica
Pantocsek, 1892
Species
Melosira excurrens
Nygaard, 1956
Species
Melosira exspectata
Schmidt in Schmidt et al., 1892
Species
Melosira fausta
A.W.F.Schmidt, 1892 †
Species
Melosira febigerii
(Grunow in Cleve & Grunow) Mann, 1907
accepted as
Podosira febigeri
Grunow in Cleve & Grunow, 1880
Species
Melosira fennoscandica
Cleve-Euler, 1943
Species
Melosira ferox
Schmidt in Schmidt et al., 1892
Species
Melosira forolivensis
Forti in Tempère & Peragallo, 1914
Species
Melosira fragilis
(Roth) Kützing, 1833
Species
Melosira franklinii
(Ehrenberg) Cleve, 1868
accepted as
Craspedodiscus franklinii
Ehrenberg, 1853
Species
Melosira frigida
Jousé, 1959
Species
Melosira fungiformis
Pantocsek, 1892
Species
Melosira gallica
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella gallica
Ehrenberg, 1836
Species
Melosira gardneri
I.Kaczmarska, 1985 †
Species
Melosira garganica
Rabenhorst, 1853
Species
Melosira gelida
Cleve, 1883
Species
Melosira geometrica
Hanna, 1932
Species
Melosira gessneri
F.Hustedt, 1965
Species
Melosira glacialis
(Grunow) Cleve-Euler, 1951
accepted as
Podosira hormoides var. glacialis
Grunow, 1884
Species
Melosira globifera
(D.Carmichael) Harvey
Species
Melosira glomus
F.C.Castracane degli Antelminelli
Species
Melosira godfroyi
M. Peragallo, 1921
Species
Melosira goetzeana
O.Müller
Species
Melosira goretzkyi
Tscheremissinova, 1956
Species
Melosira gothica
Cleve-Euler, 1951
Species
Melosira gowenii
Schmidt in Schmidt et al., 1892
Species
Melosira grandis
Perty, 1852
Species
Melosira granulata
(Ehrenberg) Ralfs, 1861
accepted as
Aulacoseira granulata
(Ehrenberg) Simonsen, 1979
Species
Melosira granulata
auct. non (Ehrenberg)
Species
Melosira granulata
Otto Müller, 1903
Species
Melosira granulata
sensu L.W. Bailey, 1861
Species
Melosira granulata
Otto Müller, 1903
Species
Melosira granulata
(Otto Müller) Skabichevskii, 1960
accepted as
Melosira granulata f. angustissima
Otto Müller, 1899
Species
Melosira granulata
(Otto Müller) Cleve-Euler, 1938
accepted as
Melosira granulata f. angustissima
Otto Müller, 1899
Species
Melosira granulata
Otto Müller, 1904
Species
Melosira granulata
Otto Müller, 1904
Species
Melosira granulosa
O.Müller
Species
Melosira grovei
Schmidt in Schmidt et al., 1892
Species
Melosira guillauminii
Manguin ex Kociolek & Reviers, 1996
Species
Melosira halophila
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella halophila
Ehrenberg, 1854
Species
Melosira haradaae
Pantocsek, 1892
Species
Melosira helvetica
(O.F.Müller) Cleve-Euler, 1911
Species
Melosira helvetica
Ailio, 1915
Species
Melosira heribaudii
Brun in A. Schmidt, 1893
Species
Melosira herzogii
Lemmermann
Species
Melosira hetrurica
Kützing, 1844
Species
Melosira heufleri
G.G.A.Meneghini
Species
Melosira hibschii
Reichelt, 1897-1900
Species
Melosira hispanica
Hajós, 1982
Species
Melosira hispida
H. Peragallo, 1888
Species
Melosira hispida
C.Janisch
Species
Melosira hispida
sensu Schmidt in Schmidt et al., 1893
Species
Melosira hokkaidoana
Pantocsek, 1892
Species
Melosira hormoides
Montagne, 1939
Species
Melosira horologium
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella horologium
Ehrenberg, 1843
Species
Melosira hummii
Hustedt, 1955
Species
Melosira hungarica
Schmidt in Schmidt et al., 1892
Species
Melosira hungarica
Pantocsek, 1892
Species
Melosira hustedti
Krasske, 1939
accepted as
Melosira hustedtii
Krasske, 1939
Species
Melosira hustedtii
Krasske, 1939
Species
Melosira hyalina
Sypniewsky, 1860
Species
Melosira hyalina
Castracane, 1886
Species
Melosira hyalina
Karsten, 1905
Species
Melosira hyalina
K.E. Lohman, 1957
Species
Melosira hyalinula
De Toni, 1894
Species
Melosira hyperborea
Grunow, 1882
Species
Melosira ignota
Rubina, 1962
Species
Melosira ikapoensis
Otto Müller, 1904
accepted as
Aulacoseira ikapoensis
(Otto Müller) Simonsen, 1979
Species
Melosira imperfecta
Héribaud, 1903
Species
Melosira incertum
Leuduger-Fortmorel, 1898
Species
Melosira incompta
Mann, 1925
Species
Melosira incorrupta
Carter, 1966
Species
Melosira indica
Skvortzov
Species
Melosira inflexa
(Roth) Guiry, 2019
Species
Melosira inordinata
Lohman & Andrews, 1968
Species
Melosira interjecta
(Janisch in Schmidt et al.) De Toni, 1894
accepted as
Orthosira interjecta
Janisch in Schmidt et al., 1892
Species
Melosira interrupta
Lohman & Andrews, 1968
Species
Melosira irregularis
(Eichwald) Eichwald, 1847
accepted as
Gaillonella irregularis
Eichwald, 1844
Species
Melosira irregularis
Pantocsek, 1889
Species
Melosira irregularis
O.Müller
Species
Melosira islandica
O.F.Müller, 1906
Species
Melosira islandica
Cleve-Euler, 1938
Species
Melosira italica
(Ehrenberg) Kützing, 1844
Species
Melosira italica
Komarenko, 1956
Species
Melosira italica
Hustedt, 1942
Species
Melosira italica
(Grunow) Skabichevskii, 1960
accepted as
Melosira italica var. valida
Grunow, 1881
Species
Melosira italica
Otto Müller, 1906
Species
Melosira italica
Otto Müller, 1906
Species
Melosira italica
(Grunow) Cleve-Euler, 1938
accepted as
Melosira crenulata var. ambigua
Grunow, 1882
Species
Melosira japonica
Pantocsek, 1892
Species
Melosira japonica
F.Meister, 1913
Species
Melosira jeanbertrandiana
Van de Vijver & Crawford
Species
Melosira jenyssejana
Henckel, 1926
Species
Melosira jilinensis
Huang in Huang et al., 1983 †
Species
Melosira johnesii
Meyer, 1925
Species
Melosira jouseana
Moissejeva, 1971 †
accepted as
Alveolophora jouseana
(A.I.Moiseeva) A.I.Moiseeva, 1990 †
Species
Melosira juergensi
C. Agardh, 1824
accepted as
Melosira lineata
(Dillwyn) C.Agardh, 1824
Species
Melosira juergensii
C.Agardh, 1824
accepted as
Melosira lineata
(Dillwyn) C.Agardh, 1824
Species
Melosira juergensii
sensu Vanhoffen, 1897
Species
Melosira jüergensii
Species
Melosira jurgensi
Species
Melosira jurgensii
Kützing
Species
Melosira jutlandica
Grunow
Species
Melosira kamtschatica
Grunow ex Cleve & Moller, 1877
Species
Melosira karelica
Mölder, 1951
Species
Melosira karsteni
Mangin, 1915
Species
Melosira kochii
Pantocsek, 1892
Species
Melosira kondeensis
Otto Müller, 1904
Species
Melosira labuensis
Cleve, 1883
Species
Melosira lacustris
Chase, 1886
Species
Melosira laevis
(Ehrenberg) J.Ralfs
Species
Melosira laevissima
Grunow, 1882
Species
Melosira laminaris
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella laminaris
Ehrenberg, 1854
Species
Melosira lauterbornii
Pantocsek, 1908
Species
Melosira lentigera
(Carmichael) Harvey
Species
Melosira lineata
(Dillwyn) C.Agardh, 1824
Species
Melosira lineolata
sensu Grunow, 1884
Species
Melosira lirata
(Ehrenberg) Kützing, 1844
Species
Melosira loczyi
Pantocsek, 1889
Species
Melosira lolia
Hanna, 1927
Species
Melosira longispina
Hustedt, 1942
accepted as
Aulacoseira subarctica var. longispina
(Hustedt) A.Tuji & A.Houki, 2004
Species
Melosira lucida
Cleve-Euler, 1939
Species
Melosira lyrata
Ehrenberg
Species
Melosira lyrata
Grunow in A. Schmidt, 1893
Species
Melosira maculata
Lagerst., 1876
accepted as
Podosira maculata
W.Smith, 1856
Species
Melosira madagascariensis
Schmidt in Schmidt et al., 1893
Species
Melosira magnusii
Otto Müller, 1904
Species
Melosira major
Grove in Schmidt et al., 1892
Species
Melosira marchica
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella marchica
Ehrenberg, 1843
Species
Melosira mareei
Kufferath, 1956
Species
Melosira margarita
K.E. Lohman, 1957
Species
Melosira marginata
Hajós, 1968
Species
Melosira marina
(W.Smith) Janisch, 1862
accepted as
Orthosira marina
W. Smith, 1856
Species
Melosira mauryana
Héribaud-Joseph
Species
Melosira mbasiensis
Otto Müller, 1904
Species
Melosira mediterranea
Grunow in Van Heurck, 1882
Species
Melosira medusa
Mann, 1907
Species
Melosira melinitica
Pantocsek, 1886
Species
Melosira mesodon
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella mesodon
Ehrenberg, 1854
Species
Melosira mexicana
Grunow ex Cleve & Möller, 1878
Species
Melosira micropunctata
K.E. Lohman, 1957
Species
Melosira mikkelsenii
Nygaard, 1956
Species
Melosira miniliformis
Species
Melosira minima
Hajós, 1968
Species
Melosira minuta
Héribaud, 1903
Species
Melosira minutula
F.J.Chauvin
Species
Melosira miocaenica
E.A.Cheremisinova
Species
Melosira mirabilis
Brun in Schmidt et al., 1892
Species
Melosira moisseevae
Lupikina, 1984
Species
Melosira moniliformis
(O.F.Müller) C.Agardh, 1824
Species
Melosira monoliformis
(O.F. Müller) C. Agardh, 1824
accepted as
Melosira moniliformis
(O.F.Müller) C.Agardh, 1824
Species
Melosira monospina
Species
Melosira montagnei
(Kützing) N.G.W.Lagerstedt
Species
Melosira mucosa
Manguin, 1915
Species
Melosira muelleri
VanLandingham, 1971
Species
Melosira muscigena
Iwahashi, 1936
Species
Melosira mutabilis
Otto Müller
Species
Melosira muzzanensis
Meister, 1912
Species
Melosira naegeli
Ralfs in Pritchard, 1861
Species
Melosira natans
Hilse, 1863
Species
Melosira neocaledonica
Manguin, 1962
Species
Melosira neocaledonica
Kociolek & Reviers
Species
Melosira neogena
Pantocsek, 1913
Species
Melosira neosphaerica
VanLandingham, 1971
Species
Melosira neostriata
VanLandingham, 1971
Species
Melosira nivalis
W.Smith, 1855
Species
Melosira nobilis
Greville, 1865
Species
Melosira normannii
Arnott in Van Heurck, 1882
Species
Melosira nuda
Hajós, 1959
Species
Melosira nuda
K.E. Lohman, 1957
Species
Melosira nummuloides
C.Agardh, 1824
accepted as
Melosira discigera
Agardh, 1824
Species
Melosira nummuloides
Greville
Species
Melosira nummuloides
W. Smith
Species
Melosira nummuloides
sensu Vanhoffen, 1897
Species
Melosira nummulus
A.F.Meunier, 1915
Species
Melosira numulina
Agardh
Species
Melosira nyassensis
Otto Müller, 1904
Species
Melosira nygaardii
Camburn, 1986
Species
Melosira oamaruensis
Grove & Sturt, 1887
Species
Melosira oceanica
(Ehrenberg; Ehrenberg) Leuduger-Fortmorel, 1879
accepted as
Endictya oceanica
Ehrenberg, 1845
Species
Melosira ochracea
(A.W.Roth) J.Ralfs
Species
Melosira octogona
A.W.F.Schmidt, 1893
Species
Melosira oculus
(Ehrenberg) Kützing
Species
Melosira oculuschamaeleontis
Ehernberg, 1844 (1845)
Species
Melosira oestrupi
Cleve-Euler, 1910
Species
Melosira omma
Cleve
Species
Melosira orbifera
Brun in Schmidt et al., 1892
Species
Melosira ordinata
(Kützing)
Species
Melosira orichalcea
(Mertens ex Jürgens) Kützing, 1833
Species
Melosira orichalcea
sensu Brun, 1880
Species
Melosira ornata
Grunow
Species
Melosira ornata
auct. non Grunow, 1884
Species
Melosira ostrupi
A. Cleve
Species
Melosira ostrupii
Héribaud in Héribaud et al., 1920
Species
Melosira pantocseki
(Van Heurck) Frenguelli, 1960
accepted as
Hyalodiscus pantocsekii var. pantocsekii
Van Heurck, 1909
Species
Melosira papilio
Mukhina in Jousé & Mukhina, 1978
Species
Melosira papillifera
Hendey, 1972
Species
Melosira patagonica
(Otto Müller) Cleve-Euler
accepted as
Melosira lineolata var. patagonica
Otto Müller, 1909
Species
Melosira patera
J.A. Long, D.P. Fuge & J. Smith, 1946
Species
Melosira paucipunctata
K.E. Lohman, 1957
Species
Melosira pella
Lohman & Andrews, 1968
Species
Melosira pensacolae
Schmidt in Schmidt et al., 1893
Species
Melosira peragalloii
Pantocsek, 1892
Species
Melosira perglabra
Østrup, 1910
Species
Melosira perpusilla
Frenguelli, 1923
Species
Melosira pethoei
(Pantocsek)
Species
Melosira pfaffiana
Reinsch, 1867
Species
Melosira pileata
(Ehrenberg) Kützing
accepted as
Gaillonella pileata
Ehrenberg, 1844
Species
Melosira plana
(Ehrenberg) Kützing, 1849
Species
Melosira polaris
Grunow, 1884
Species
Melosira polycystinica
(Pantocsek) F.W. Mills, 1934
accepted as
Paralia polycystinica
Pantocsek, 1892
Species
Melosira polymopha
Species
Melosira polymorpha
H.Bethge
accepted as
Gaillonella italica
Ehrenberg, 1838
Species
Melosira ponderosa
K.E. Lohman, 1957
Species
Melosira pontificalis
Brun in Schmidt et al., 1893
Species
Melosira prae-angustissima
Jousé, 1952
Species
Melosira praeclara
Schmidt in Schmidt et al., 1892
Species
Melosira praedistans
Species
Melosira praegranulata
Species
Melosira praeislandica
Species
Melosira praetermissa
V.A.Nikolajev, 1965 †
Species
Melosira pseudoamericana
Camburn in Camburn & Kingston, 1986
Species
Melosira pseudogranulata
Cleve-Euler, 1948
accepted as
Aulacoseira pseudogranulata
(Cleve-Euler) Simonsen, 1979
Species
Melosira pulchella
Hustedt, 1952
Species
Melosira punctata
(W.Smith) J.Dannf., 1882
Species
Melosira punctata
Grunow in A. Schmidt, 1893
Species
Melosira puncticulosa
Otto Müller, 1903
Species
Melosira punctigera
(Ehrenberg) J.Ralfs
accepted as
Gaillonella punctigera
Ehrenberg, 1842
Species
Melosira punctissima
K.E. Lohman, 1957
Species
Melosira punctulosa
Bethge, 1925
Species
Melosira pusilla
F.Meister, 1913
Species
Melosira pyxis
Otto Müller
Species
Melosira radiata
Grunow, 1870
accepted as
Cyclotella radiata
Brightwell, 1860
Species
Melosira radiato-sinuata
Chen, 1980
Species
Melosira recedens
Schmidt in Schmidt, 1892
Species
Melosira rieufii
Héribaud, 1908
Species
Melosira robusta
Hustedt, 1952
Variety
Melosira robusta var. kokariensis
Foged, 1985
Species
Melosira roeseana
Rabenhorst, 1852
Species
Melosira roeseana
sensu Schmidt et al., 1893
Species
Melosira roseana
Rabenhorst
Species
Melosira rossica
(Pantocsek) F.W. Mills, 1934
accepted as
Paralia rossica
Pantocsek, 1889
Species
Melosira rostratis
Zakrzewski, 1934
Species
Melosira royatensis
VanLandingham, 1971
Species
Melosira ruttneri
Hustedt, 1937
accepted as
Angusticopula robusta
(Hustedt) Houk et al., 2017
Species
Melosira salina
Kützing, 1844
Species
Melosira samoensis
Schmidt in Schmidt et al., 1892
Species
Melosira sanctae crucis
H. Peragallo in Tempère & Peragallo, 1909
Species
Melosira saratoviana
Pantocsek, 1889
Species
Melosira sarmatica
Pantocsek, 1889
Species
Melosira saturnalis
Brun in Schmidt et al., 1892
Species
Melosira scabrosa
Østrup, 1908
Species
Melosira scala
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella scala
Ehrenberg, 1854
Species
Melosira scalaris
Grunow, 1882 †
Species
Melosira schawoi
Pantocsek, 1908
Species
Melosira schroederi
J.Woloszynska
Species
Melosira scopos
Mann, 1907
Species
Melosira sculpta
(Ehrenberg) Kützing, 1849
accepted as
Gaillonella sculpta
Ehrenberg, 1845
Species
Melosira selecta
Schmidt in Schmidt et al., 1892
Species
Melosira semilaevis
Grunow in Van Heurck, 1882
Species
Melosira separanda
A.W.F.Schmidt
Species
Melosira setosa
Greville, 1866
accepted as
Ferocia setosa
Van de Vijver & Houk in Van de Vijver et al., 2017
Species
Melosira setosa
J.R.Carter, 1966
Species
Melosira siberica
A.W.F.Schmidt, 1892 †
Species
Melosira siberica
Skabichevskii, 1963
Species
Melosira siberica
(Grunow in Van Heurck; Grunow) Thum, 1885
accepted as
Paralia sulcata f. siberica
(Grunow in Van Heurck) Grunow, 1884
Species
Melosira similis
Hustedt, 1942
Species
Melosira simplex
Mann, 1937
Species
Melosira sinensis
Chen, 1980
Species
Melosira sol
Kützing, 1849
Species
Melosira sol
sensu Skvortzow, 1937
Species
Melosira solida
Eulenstein, 1882
accepted as
Aulacoseira solida
(Eulenstein) K.Krammer, 1991 †
Species
Melosira solitoria
Manguin ex Kociolek & Reviers, 1996
Species
Melosira soochowensis
Skvortzow, 1946
accepted as
Melosira baicalensis f. soochowensis
Skvortzov
Species
Melosira sparsepunctata
Hajós, 1974
Species
Melosira sphaerica
Héribaud, 1903
Species
Melosira sphaerica
Karsten, 1905
Species
Melosira spinifera
Hustedt, 1927
Species
Melosira spinosa
Pantocsek, 1892
Species
Melosira spinosa
Greville
Species
Melosira spinosa
(W. Smith) Brun, 1880
accepted as
Orthosira spinosa
W.Smith, 1855
Species
Melosira spinuligera
M.Peragallo
Species
Melosira spinulosa
Hustedt, 1952
Species
Melosira spiralis
(Ehrenberg) Kützing
Species
Melosira steffanssoni
Østrup, 1918 (1920)
Species
Melosira strangulata
Héribaud, 1908
Species
Melosira striata
Otto Müller, 1904
Species
Melosira striata
M. Peragallo & Héribaud in Héribaud, 1893
Species
Melosira subarctica
Otto Müller
accepted as
Melosira italica f. subarctica
(Otto Müller)
Species
Melosira subflexilia
Kützing, 1833
Species
Melosira subflexilis
Kützing, 1833
Species
Melosira subflexilis
sensu Schmidt in Schmidt et al., 1893
Species
Melosira subhyalina
Van Heurck, 1909
Species
Melosira subornata
Schmidt in Schmidt et al., 1892
Species
Melosira subsalsa
Cleve-Euler, 1912
Species
Melosira subsetosa
Manguin, 1960
Species
Melosira subtilis
Van Goor, 1924
Species
Melosira sulcata
(Ehrenberg) Kützing, 1844
accepted as
Gaillonella sulcata
Weisse, 1854
Species
Melosira taeniata
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella taeniata
Ehrenberg, 1854
Species
Melosira tahitiensis
Castracane, 1886
Species
Melosira tcherniae
Manguin, 1960
Species
Melosira tcherniai
Manguin, 1957
Species
Melosira temperei
Pantocsek, 1892
Species
Melosira tenella
Nygaard, 1956
Species
Melosira tenuis
Otto Muller ex Lemmermann, 1903
Species
Melosira tenuissima
Grunow, 1882
Species
Melosira teres
Brun, 1892
Species
Melosira thaitiensis
F.S.Castracane degli Antelminelli
accepted as
Melosira tahitiensis
Castracane, 1886
Species
Melosira thermalis
Meneghini, 1845
Species
Melosira thompsonii
Harvey, 1841
Species
Melosira thrypsia
Barron, 1975
Species
Melosira thumii
Pantocsek, 1889
Species
Melosira timensis
Oksiyuk, 1960
Species
Melosira trachealis
(Ehrenberg) Ralfs in Pritchard, 1861
accepted as
Gaillonella trachealis
Ehrenberg, 1854
Species
Melosira transitus
Carter & Denny, 1987
Species
Melosira transylvanica
Pantocsek, 1892
Species
Melosira triannula
K.E. Lohman, 1957
Species
Melosira tricostata
Gleser in Gleser & Posnova, 1964
Species
Melosira trimorpha
(Otto Müller)
Species
Melosira tropica
P.L.Crouan & H.M.Crouan
Species
Melosira truncata
E.Grove
Species
Melosira tuberculosa
Cleve, 1881
Species
Melosira tubulata
Eichwald, 1860
Species
Melosira turgida
Ehrlich, 1973
Species
Melosira tympanum
(Ehrenberg) Kützing, 1849
accepted as
Gaillonella tympanum
Ehrenberg, 1844
Species
Melosira undulata
(Ehrenberg) Kützing, 1844
Species
Melosira valida
(Grunow in Van Heurck) Meister, 1912
accepted as
Melosira crenulata var. valida
Grunow, 1882
Species
Melosira vangeliana
Pantocsek & Greguss in Greguss, 1913
Species
Melosira vanheurckii
M. Peragallo, 1921
Species
Melosira varennarum
M. Peragallo & Héribaud in Héribaud, 1893
Species
Melosira variabilis
McLaughlin in McLaughlin & Stone, 1986
Species
Melosira varians
C.Agardh, 1827
Species
Melosira variante
Agardh, 1832
Species
Melosira variata
Otto Müller
Species
Melosira vetustissima
Hajós & Stradner in Hajós, 1974
Species
Melosira vilida
(Grunow) Meister
Species
Melosira vitrea
Lohman & Andrews, 1968
Species
Melosira westii
W.Smith, 1856
accepted as
Pseudopodosira westii
(W.Smith) Sheshukova-Poretzskaya & Glezer, 1964 †
Species
Melosira wildemannii
Van Heurck, 1909
Species
Melosira wrightii
O'Meara, 1869
Species
Melosira yangbajingensis
Huang, 1979
Species
Melosira youngi
Skvortzov
Species
Melosira zachariae
Castracane
Species
Melosira zachariasi
Castracane, 1894
Species
Melosira zeileri
Grunow in Schmidt et al., 1893
Variety
Melosira var. tenella
(Nygaard)
accepted as
Aulacoseira distans var. tenella
(Nygaard) R.Ross, 1986
Genus
Pseudopodosira
A.P. Jousé in A.I. Proschkina-Lavrenko, 1949
(1)
Genus
Schroederella
J. Pavillard, 1913
Family
Stephanopyxidaceae Nikolaev
(11)
Order
Orthoseirales
(18)
Order
Paraliales
(4)
Order
Stictocycales
Order
Stictodiscales
Superorder
Cymatosirophycanae
(10)
Superorder
Lithodesmiophycanae
(7)
Superorder
Rhizosolenianae
(37)
Superorder
Thalassiosiranae
(192)
Order
Arcanodiscales
(5)
Order
Stictocyclales
Subclass
Fragilariophycidae
(483)
Order
Centrales
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