【直链藻属】
直链藻属（学名：Melosira）为直链藻科的一个属。
==下级分类==
本属包括以下物种：
* Melosira accinctus Hohn & Hellerman, 1963
* Melosira aculeifera Scheschukova-Poretzkaya, 1964
* Melosira adeliae Manguin, 1957
* Melosira aequalis Agardh, 1832
* 非洲直链藻 Melosira africana Leuduger-Fortmorel, 1898
* Melosira agassizii Ostenfeld, 1909
* Melosira agria Pantocsek, 1905
* Melosira akkavaarensis Tynni, 1982
* Melosira albicans Sheshukova, 1961
* Melosira alphabetica Mann, 1937
* Melosira alternans Pouchet, 1893
* Melosira ambigua (Grunow) O.F.Müller, 1904
* Melosira ambiguna (Grunow) Müller
* Melosira americana Hustedt
* 美洲直链藻 Melosira americana Kützing, 1844
* Melosira anastomosans Grunow, 1882
* Melosira angustissima Neizvestnova-Zhadina, 1941
* Melosira annularis Eichwald, 1847
* Melosira anormal Van Heurck, 1882
* Melosira antarctica Van Heurck, 1909
* Melosira architecturalis Brun, 1892
* Melosira architecturalis Ehrenberg
* Melosira arctica Dickie, 1852
* Melosira arcuata Pantocsek, 1892
* 沙生直链藻 Melosira arenaria
* Melosira arenosa Moore ex Hassall, 1852
* Melosira areolata O.Müller, 1904
* Melosira argus Otto Müller, 1904
* Melosira arundinacea F.S.Castracane degli Antelminelli
* Melosira astridae D.Metzeltin & H.Lange-Bertalot, 2007
* Melosira atlymica Rubina, 1962
* Melosira aueri Cleve-Euler, 1948
* Melosira bacillosa Otto Müller, 1903
* Melosira baicalensis (K.I.Meyer) Wislouch
* Melosira baikalensis S.Wislouch, 1924
* Melosira bellicosa Héribaud, 1903
* Melosira biharensis Pantocsek, 1886
* Melosira biseriata (Ehrenberg) Schmidt, 1892
* Melosira bituminosa Pantocsek
* Melosira biwae Mori, 1974
* Melosira bongrainii M.Peragallo, 1921
* Melosira borreri (O.F.Müller) A.Grunow
* Melosira borreri Greville, 1833
* Melosira bottnica Grunow, 1879
* Melosira boulayana Peragallo, 1902
* Melosira brandinii L.F.Fernandes & R.M.Souza-Mosimann, 2001
* Melosira bruni M.Peragallo & Héribaud-Joseph
* Melosira caliginosa Hanna, 1927
* Melosira campaniensis Moshkovitz, Ehrlich & Soudry, 1983
* Melosira camusi Héribaud-Joseph
* Melosira canadensis Hustedt, 1952
* Melosira canalifera J.-J.Brun & Héribaud-Joseph
* Melosira caputmedusae Pantocsek, 1886
* Melosira carconensis Grunow, 1882
* Melosira caspica Henckel, 1909
* Melosira catenata Brun, 1895
* Melosira charcotii M.Peragallo, 1921
* Melosira cincta Pantocsek, 1886
* Melosira circulata
* Melosira clavigera Grunow, 1882
* Melosira clypeus J.Brun, 1889
* Melosira complexa Lohman, 1948
* Melosira concinna Castracane, 1866
* Melosira constricta Akimova, 1940
* Melosira cornuta Tempère & Brun, 1889
* Melosira coronaria M.Peragallo, 1911
* Melosira coronaria Mann, 1907
* Melosira coronata (Ehrenberg) Kützing
* Melosira costata Greville, 1866
* Melosira crassa K.E.Lohman, 1957
* Melosira crenulata Cleve & Möller
* Melosira crenulatata
* Melosira cretacea Jousé, 1951
* Melosira cribrosa Brebisson, 1857
* Melosira cristata Pantocsek, 1889
* Melosira crotonensis
* Melosira crucicula G.B.De Toni
* Melosira crucipunctata Bachmann, 1936
* Melosira csakyana Pantocsek, 1913
* Melosira cucullata Chen, 1980
* Melosira curvatula Janisch, 1892
* Melosira cycola Ehrenberg
* Melosira dactylus (Ehrenberg) Tempère & Peragallo, 1914
* Melosira davidsonii Schmidt, 1893
* Melosira deblockii H.F.Van Heurck
* Melosira decipiens Grove, 1893
* Melosira decussata (Ehrenberg) Kützing
* Melosira dendrophila (Ehrenberg) R.Ross & P.A.Sims, 1978
* Melosira densserrae Long, Fuge & Smith, 1946
* Melosira dentata H.L.Smith, 1884
* Melosira denticulata K.E.Lohman, 1957
* Melosira dewildemanii Van Heurck, 1909
* Melosira dickiei (Thwaites) Kützing, 1849
* Melosira discigera Agardh, 1824
* Melosira dispersa Carter, 1966
* Melosira distans
* Melosira dougetii Manguin, 1957
* Melosira dozyana Kützing, 1849
* Melosira dubia Kützing, 1844
* Melosira duplicata Schmidt, 1893
* Melosira dura Mann, 1925
* Melosira echinata E.E.Manguin
* Melosira echinus Frenguelli, 1938
* Melosira elegans Mukhina, 1978
* Melosira elongata Jousé, 1966
* Melosira excentrica Pantocsek, 1892
* Melosira excurrens Nygaard, 1956
* Melosira exspectata Schmidt, 1892
* Melosira fausta A.W.F.Schmidt, 1892
* Melosira fennoscandica Cleve-Euler, 1943
* Melosira ferox Schmidt, 1892
* Melosira forolivensis Forti, 1914
* Melosira fragilis (Roth) Kützing, 1833
* Melosira frigida Jousé, 1959
* Melosira fungiformis Pantocsek, 1892
* Melosira gardneri I.Kaczmarska, 1985
* Melosira garganica Rabenhorst, 1853
* Melosira gelida Cleve, 1883
* Melosira geometrica Hanna, 1932
* Melosira gessneri F.Hustedt, 1965
* Melosira globifera (D.Carmichael) Harvey, 1841
* Melosira glomus F.C.Castracane degli Antelminelli
* Melosira godfroyi M.Peragallo, 1921
* Melosira goetzeana O.Müller
* Melosira goretzkyi Tscheremissinova, 1956
* Melosira gothica Cleve-Euler, 1951
* Melosira gowenii Schmidt, 1892
* Melosira grandis Perty, 1852
* 颗粒直链藻 Melosira granulata Otto Müller, 1903
* Melosira granulosa O.Müller
* Melosira grovei Schmidt, 1892
* Melosira guillauminii Manguin ex Kociolek & Reviers, 1996
* Melosira haradaae Pantocsek, 1892
* Melosira helvetica (O.F.Müller) Cleve-Euler, 1911
* Melosira helvetica Ailio, 1915
* Melosira heribaudii Brun, 1893
* Melosira herzogii Lemmermann
* Melosira hetrurica Kützing, 1844
* Melosira heufleri G.G.A.Meneghini
* Melosira hibschii Reichelt, 1897-1900
* Melosira hispanica Hajós, 1982
* Melosira hispida C.Janisch
* Melosira hispida H.Peragallo, 1888
* Melosira hokkaidoana Pantocsek, 1892
* Melosira hormoides Montagne, 1939
* Melosira hummii Hustedt, 1955
* Melosira hunanica Chen & Zhu
* Melosira hungarica Pantocsek, 1892
* Melosira hungarica Schmidt, 1892
* Melosira hustedti Krasske, 1939
* Melosira hyalina Castracane, 1886
* Melosira hyalina K.E.Lohman, 1957
* Melosira hyalina Karsten, 1905
* Melosira hyalina Sypniewsky, 1860
* Melosira hyalinula De Toni, 1894
* Melosira hyperborea Grunow, 1882
* Melosira ignota Rubina, 1962
* Melosira ikapoensis
* Melosira imperfecta Héribaud, 1903
* Melosira incertum Leuduger-Fortmorel, 1898
* 松散直链藻 Melosira incompta Mann, 1925
* Melosira incorrupta Carter, 1966
* 印度直链藻 Melosira indica Skvortzov
* Melosira inflexa (Roth) Guiry, 2019
* Melosira inordinata Lohman & Andrews, 1968
* Melosira interrupta Lohman & Andrews, 1968
* Melosira irregularis O.Müller
* Melosira irregularis Pantocsek, 1889
* 冰岛直链藻 Melosira islandica Cleve-Euler, 1938
* Melosira islandica O.F.Müller, 1906
* 意大利直链藻 Melosira italica (Ehrenberg) Kützing, 1844
* Melosira italica Hustedt, 1942
* Melosira italica Komarenko, 1956
* Melosira italica Otto Müller, 1906
* Melosira japonica F.Meister, 1913
* Melosira japonica Pantocsek, 1892
* Melosira jeanbertrandiana Van de Vijver & Crawford, 2019
* Melosira jenyssejana Henckel, 1926
* Melosira jilinensis Huang, 1983
* Melosira johnesii Meyer, 1925
* 尤氏直链藻 Melosira juergensii Agardh, 1824
* Melosira juergensis C.Agardh
* Melosira jurgensii Kützing
* Melosira jurlijii Gyarmati & Hajós
* Melosira jutlandica Grunow
* Melosira kamtschatica Grunow ex Cleve & Moller, 1877
* Melosira karelica Mölder, 1951
* Melosira karsteni Mangin, 1915
* Melosira kochii Pantocsek, 1892
* Melosira kondeensis Otto Müller, 1904
* Melosira labuensis Cleve, 1883
* Melosira lacustris Chase, 1886
* Melosira laevis (Ehrenberg) J.Ralfs
* Melosira laevissima Grunow, 1882
* Melosira lauterbornii Pantocsek, 1908
* Melosira lentigera (Carmichael) Harvey
* Melosira lineata (Dillwyn) C.Agardh, 1824
* Melosira lineolata
* Melosira lirata (Ehrenberg) Kützing, 1844
* Melosira loczyi Pantocsek, 1889
* Melosira lolia Hanna, 1927
* Melosira longispina
* Melosira lucida Cleve-Euler, 1939
* Melosira lyrata Ehrenberg
* Melosira lyrata Grunow, 1893
* Melosira madagascariensis Schmidt, 1893
* Melosira magnusii Otto Müller, 1904
* Melosira major Grove, 1892
* Melosira mareei Kufferath, 1956
* Melosira margarita K.E.Lohman, 1957
* Melosira marginata Hajós, 1968
* Melosira mauryana Héribaud-Joseph
* Melosira mbasiensis Otto Müller, 1904
* Melosira mediterranea Grunow, 1882
* Melosira medusa Mann, 1907
* Melosira melinitica Pantocsek, 1886
* Melosira mexicana Grunow ex Cleve & Möller, 1878
* Melosira micropunctata K.E.Lohman, 1957
* Melosira mikkelsenii Nygaard, 1956
* Melosira miniliformis
* Melosira minima Hajós, 1968
* Melosira minuta Héribaud, 1903
* Melosira minutula F.J.Chauvin
* Melosira miocaenica E.A.Cheremisinova
* Melosira mirabilis Brun, 1892
* Melosira moisseevae Lupikina, 1984
* 念珠直链藻 Melosira moniliformis (O.F.Müller) C.Agardh, 1824
* Melosira monospina
* Melosira montagnei (Kützing) N.G.W.Lagerstedt
* Melosira mucosa Manguin, 1915
* Melosira muelleri VanLandingham, 1971
* Melosira muscigena Iwahashi, 1936
* Melosira mutabilis Otto Müller
* Melosira muzzanensis Meister, 1912
* Melosira naegeli Ralfs, 1861
* Melosira natans Hilse, 1863
* Melosira neocaledonica Kociolek & Reviers, 1996
* Melosira neocaledonica Manguin, 1962
* Melosira neogena Pantocsek, 1913
* Melosira neosphaerica VanLandingham, 1971
* Melosira neostriata VanLandingham, 1971
* Melosira nivalis W.Smith, 1855
* Melosira nobilis Greville, 1865
* Melosira normannii Arnott, 1882
* Melosira nuda Hajós, 1959
* Melosira nuda K.E.Lohman, 1957
* Melosira nummuloides Greville, 1833
* 拟货币直链藻 Melosira nummuloides W.Smith
* Melosira nummulus A.F.Meunier, 1915
* Melosira numulina Agardh
* Melosira nyassensis Otto Müller, 1904
* Melosira nygaardii Camburn, 1986
* Melosira oamaruensis Grove & Sturt, 1887
* Melosira ochracea (A.W.Roth) J.Ralfs, 1843
* Melosira octogona A.W.F.Schmidt, 1893
* Melosira oculus (Ehrenberg) Kützing, 1849
* Melosira oculuschamaeleontis Ehernberg, 1844
* Melosira oestrupi Cleve-Euler, 1910
* Melosira omma Cleve
* Melosira orbifera Brun, 1892
* Melosira ordinata (Kützing)
* Melosira orichalcea (Mertens ex Jürgens) Kützing, 1833
* Melosira ornata Grunow
* Melosira ostrupi A.Cleve
* Melosira ostrupii Héribaud, 1920
* Melosira papilio Mukhina, 1978
* Melosira papillifera Hendey, 1972
* Melosira patera J.A.Long, D.P.Fuge & J.Smith, 1946
* Melosira paucipunctata K.E.Lohman, 1957
* Melosira pella Lohman & Andrews, 1968
* Melosira pensacolae Schmidt, 1893
* Melosira peragalloii Pantocsek, 1892
* Melosira perglabra Østrup, 1910
* Melosira perpusilla Frenguelli, 1923
* Melosira pethoei (Pantocsek)
* Melosira pfaffiana Reinsch, 1867
* Melosira plana (Ehrenberg) Kützing, 1849
* Melosira polaris Grunow, 1884
* Melosira polymopha
* Melosira ponderosa K.E.Lohman, 1957
* Melosira pontificalis Brun, 1893
* Melosira prae-angustissima Jousé, 1952
* Melosira praeclara Schmidt, 1892
* Melosira praedistans
* Melosira praegranulata
* Melosira praeislandica
* Melosira praetermissa V.A.Nikolajev, 1965
* Melosira prichalcea (Mert.Ex Juerg.) Kuetz.
* Melosira pseudoamericana Camburn, 1986
* Melosira pseudogranulata Cleve-Euler, 1948
* Melosira pulchella Hustedt, 1952
* Melosira punctata (W.Smith) J.Dannf., 1882
* Melosira punctata Grunow, 1893
* Melosira puncticulosa Otto Müller, 1903
* Melosira punctissima K.E.Lohman, 1957
* Melosira punctulosa Bethge, 1925
* Melosira pusilla F.Meister, 1913
* Melosira pyxis Otto Müller
* Melosira radiato-sinuata Chen, 1980
* Melosira recedens Schmidt, 1892
* Melosira rieufii Héribaud, 1908
* Melosira robusta Hustedt, 1952
* Melosira roeseana Rabenhorst, 1852
* Melosira roseana Rabenhorst
* Melosira rostratis Zakrzewski, 1934
* Melosira royatensis VanLandingham, 1971
* Melosira salina Kützing, 1844
* Melosira samoensis Schmidt, 1892
* Melosira saratoviana Pantocsek, 1889
* Melosira sarmatica Pantocsek, 1889
* Melosira saturnalis Brun, 1892
* Melosira scabrosa Østrup, 1908
* Melosira scalaris Grunow, 1882
* Melosira schawoi Pantocsek, 1908
* Melosira schroederi J.Woloszynska
* Melosira scopos Mann, 1907
* Melosira selecta Schmidt, 1892
* Melosira semilaevis Grunow, 1882
* Melosira separanda A.W.F.Schmidt
* Melosira setosa J.R.Carter, 1966
* Melosira siberica A.W.F.Schmidt, 1892
* Melosira siberica Skabichevskii, 1963
* Melosira similis Hustedt, 1942
* Melosira simplex Mann, 1937
* Melosira sinensis Chen, 1980
* Melosira sol Kützing, 1849
* Melosira solida
* Melosira solitoria Manguin ex Kociolek & Reviers, 1996
* Melosira sparsepunctata Hajós, 1974
* Melosira spec Otto Müller, 1903
* Melosira sphaerica Héribaud, 1903
* Melosira sphaerica Karsten, 1905
* Melosira spinifera Hustedt, 1927
* Melosira spinosa Greville
* Melosira spinosa Pantocsek, 1892
* Melosira spinuligera M.Peragallo
* Melosira spinulosa Hustedt, 1952
* Melosira spiralis (Ehrenberg) Kützing
* Melosira steffanssoni Østrup, 1918
* Melosira strangulata Héribaud, 1908
* Melosira striata M.Peragallo & Héribaud, 1893
* Melosira striata Otto Müller, 1904
* Melosira subflexilia Kützing, 1833
* Melosira subflexilis Kützing, 1833
* Melosira subglobosa
* Melosira subhyalina Van Heurck, 1909
* Melosira subornata Schmidt, 1892
* Melosira subsalsa Cleve-Euler, 1912
* Melosira subsetosa Manguin, 1960
* Melosira subtilis Van Goor, 1924
* 具槽直链藻 Melosira sulcata
** 具槽直链藻冠状变种 Melosira sulcata var. coronata (Ehr.) Grun., 1882
** 具槽直链藻原变种 Melosira sulcata var. sulcata (Ehr.) Kutzing, 1844
* Melosira tahitiensis Castracane, 1886
* Melosira tcherniae Manguin, 1960
* Melosira tcherniai Manguin, 1957
* Melosira temperei Pantocsek, 1892
* Melosira tenella Nygaard, 1956
* Melosira tenuis Otto Muller ex Lemmermann, 1903
* Melosira tenuissima Grunow, 1882
* Melosira teres Brun, 1892
* Melosira thermalis Meneghini, 1845
* Melosira thompsonii Harvey, 1841
* Melosira thrypsia Barron, 1975
* Melosira thumii Pantocsek, 1889
* Melosira timensis Oksiyuk, 1960
* Melosira transitus Carter & Denny, 1987
* Melosira transylvanica Pantocsek, 1892
* Melosira triannula K.E.Lohman, 1957
* Melosira tricostata Gleser, 1964
* Melosira trimorpha (Otto Müller)
* Melosira tropica P.L.Crouan & H.M.Crouan
* Melosira truncata E.Grove
* Melosira tuantianensis C.Huang
* Melosira tuberculosa Cleve, 1881
* Melosira tubulata Eichwald, 1860
* Melosira turgida Ehrlich, 1973
* Melosira undulata (Ehrenberg) Kützing, 1844
* Melosira vangeliana Pantocsek & Greguss, 1913
* Melosira vanheurckii M.Peragallo, 1921
* Melosira varennarum M.Peragallo & Héribaud, 1893
* Melosira variabilis McLaughlin, 1986
* 变异直链藻 Melosira varians C.Agardh, 1827
* Melosira variante Agardh, 1832
* Melosira variata Otto Müller
* Melosira vetustissima Hajós & Stradner, 1974
* Melosira vilida (Grunow) Meister
* Melosira vitrea Lohman & Andrews, 1968
* Melosira westii
* Melosira wildemannii Van Heurck, 1909
* Melosira wrightii O'Meara, 1869
* Melosira yangbajingensis Huang, 1979
* Melosira youngi Skvortzov
* Melosira zachariae Castracane
* Melosira zachariasi Castracane, 1894
* Melosira zeileri Grunow, 1893
归入本属的物种：
* Gaillonella ampla Dujardin, 1842
* Gaillonella apiculata Ehrenberg, 1855
* Gaillonella asperula Ehrenberg, 1844
* Gaillonella aurichalcea
* Gaillonella biseriata Ehrenberg, 1842
* Gaillonella boreri (Greville) Pelletan, 1889
* Gaillonella californica Ehrenberg, 1852
* Gaillonella calligera Ehrenberg, 1845
* Gaillonella campylosira Ehrenberg, 1854
* Gaillonella capsularis Dujardin, 1842
* Gaillonella carinata Ehrenberg, 1846
* Gaillonella circularis Ehrenberg, 1854
* Gaillonella coarctata Ehrenberg, 1843
* Gaillonella comoides Bory, 1827
* Gaillonella corneola Dorff, 1934
* Gaillonella coronata Ehrenberg, 1845
* Gaillonella costata
* Gaillonella crenata Ehrenberg, 1844
* Gaillonella crenulata
* Gaillonella crotonensis J.W.Bailey, 1854
* Gaillonella cuneata Ehrenberg, 1869
* Gaillonella curvata Ehrenberg
* Gaillonella decussata Ehrenberg, 1843
* Gaillonella digitus Ehrenberg, 1854
* Gaillonella discoplea Ehrenberg, 1854
* Gaillonella distans Ehrenberg, 1837
* Gaillonella ferruginea Ehrenberg, 1836
* Gaillonella gallica Ehrenberg, 1836
* Gaillonella gemmata Ehrenberg, 1854
* Gaillonella gibba Ehrenberg, 1843
* Gaillonella glomerata Naumann, 1922
* Gaillonella halophila Ehrenberg, 1854
* Gaillonella horologium Ehrenberg, 1843
* Gaillonella hyperborea Jorgensen, 1900
* Gaillonella irregularis Eichwald, 1844
* Gaillonella italica Ehrenberg, 1838
* Gaillonella juergensii
* Gaillonella laevis Ehrenberg, 1854
* Gaillonella laminaris Ehrenberg, 1854
* Gaillonella lineata (Dillwyn) Bory, 1838
* Gaillonella lineata Ehrenberg, 1838
* Gaillonella lineolata Ehrenberg, 1843
* Gaillonella lirata Ehrenberg, 1843
* Gaillonella marchica Ehrenberg, 1843
* Gaillonella marylandica Ehrenberg, 1854
* Gaillonella mesodon Ehrenberg, 1854
* Gaillonella moniliformis Bory, 1838
* Gaillonella nilotica Ehrenberg, 1852
* Gaillonella novaehollandiae Ehrenberg, 1854
* Gaillonella nummuloides Bory, 1838
* Gaillonella nummuloides Duby, 1830
* Gaillonella oculus Ehrenberg, 1844
* Gaillonella operculata Ehrenberg, 1835
* Gaillonella orichalcea Brébisson, 1838
* Gaillonella orichalcea Jurgens
* Gaillonella patina Ehrenberg, 1837
* Gaillonella pileata Ehrenberg, 1844
* Gaillonella plana Ehrenberg, 1845
* Gaillonella plicata Ehrenberg, 1870
* Gaillonella procera Ehrenberg, 1842
* Gaillonella punctata Ehrenberg, 1843
* Gaillonella punctigera Ehrenberg, 1842
* Gaillonella scala Ehrenberg, 1854
* Gaillonella sideropous Naumann, 1922
* Gaillonella sol Ehrenberg, 1844
* Gaillonella sphaerophora Ehrenberg, 1870
* Gaillonella spiralis Ehrenberg, 1845
* Gaillonella stellata Corda, 1840
* Gaillonella subflexilis
* Gaillonella subtilis Brébisson, 1838
* Gaillonella sulcata Ehrenberg, 1838
* Gaillonella sulcata Weisse, 1854
* Gaillonella taeniata Ehrenberg, 1854
* Gaillonella tenerrima Ehrenberg, 1842
* Gaillonella tenuis Gutwinski, 1893
* Gaillonella tincta Ehrenberg, 1854
* Gaillonella tornata Ehrenberg
* Gaillonella trachealis Ehrenberg, 1854
* Gaillonella tympanum Ehrenberg, 1844
* Gaillonella umbellata Beger, 1949
* Gaillonella umbonata Ehrenberg, 1872
* Gaillonella undata Prichard, 1861
* Gaillonella undulata Ehrenberg, 1840
* Gaillonella vaginata Ehrenberg, 1854
* Gaillonella varians Desmazieres
* Gaillonella varians Ehrenberg, 1838
* Gaillonella vermicularis Brebisson, 1835
* Gaillonella virginica Ehrenberg, 1854
==参考文献==