Aneumastus aksaraiensis Spaulding, Akbulut & Kociolek
Aneumastus albanicus Lange-Bertalot & Miho, 2001
Aneumastus apiculatus (Østrup) Lange-Bertalot, 1999 † accepted as Navicula lacustris f. apiculata Østrup, 1910
Aneumastus aratus (Grunow) Lange-Bertalot, 2001 † accepted as Navicula arata Grunow, 1882 †
Aneumastus balticus Lange-Bertalot, 2001 (uncertain > unassessed )
Aneumastus beleg D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
Aneumastus carolinianus (Patrick) Lange-Bertalot, 2001 accepted as Navicula caroliniana Patrick, 1959
Aneumastus genkalii Glushchenko, Kulikovskiy & Kociolek in Glushchenko et al., 2017
Aneumastus gerelma M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
Aneumastus gracilis M.S.Kulikovskiy & H.Lange-Bertalot, 2012
Aneumastus humboldtianus Lange-Bertalot & Miho, 2001 (uncertain > unassessed )
Aneumastus huruud D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
Aneumastus irishkin M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
Aneumastus juriljii Z.Levkov & D.Metzeltin in Z.Levkov et al., 2007
Aneumastus laetus (A.Mayer) Lange-Bertalot, 1996 accepted as Navicula laeta A.Mayer, 1919
Aneumastus laosica Glushchenko, Kulikovskiy & Kociolek in Glushchenko et al., 2017
Aneumastus macedonicus Z.Levkov in Z.Levkov et al., 2007
Aneumastus maculosus (Donkin) Lange-Bertalot, 2001 accepted as Navicula maculosa Donkin, 1871
Aneumastus metzeltinii Z.Levkov in Z.Levkov et al., 2007
Aneumastus minor Lange-Bertalot, 1993 (uncertain > unassessed )
Aneumastus minor var. densistriatus Z. Levkov & S. Krstic in Levkov, Krstic, Metzeltin & Nakov, 2007 (uncertain > unassessed )
Aneumastus minor var. densistriatus Z.Levkov & S.Krstic in Z.Levkov et al., 2007
Aneumastus mongolicus D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 (uncertain > unassessed )
Aneumastus mongolotusculus Maltsev, Andreeva & Kulikovskiy in Maltsev et al., 2019
Aneumastus munge D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
Aneumastus odon M.S.Kulikovskiy, D.Metzeltin & H.Lange-Bertalot, 2012
Aneumastus ohridanus Z.Levkov & D.Metzeltin, 2007 (uncertain > unassessed )
Aneumastus perodon M.S.Kulikovskiy, D.Metzeltin & H.Lange-Bertalot, 2012
Aneumastus pseudoapiculatus Z.Levkov & D.Metzeltin, 2007 (uncertain > unassessed )
Aneumastus pseudotusculus (Hustedt) E.J.Cox & D.M.Williams, 2000 accepted as Navicula pseudotuscula Hustedt, 1943
Aneumastus rhombicus Z.Levkov & D.Metzeltin, 2007 (uncertain > unassessed )
Aneumastus rosettae Lange-Bertalot & Miho, 2001 (uncertain > unassessed )
Aneumastus rostratus (Hustedt) Lange-Bertalot, 2001 accepted as Navicula tuscula var. rostrata Hustedt, 1911
Aneumastus sharbin M.S.Kulikovskiy, D.Metzeltin & H.Lange-Bertalot, 2012
Aneumastus stroesei (Østrup) D.G.Mann, 1990 accepted as Navicula tuscula var. stroesei Østrup, 1910
Aneumastus stroesei var. lanceolata (E.Y.Haworth) E.Y.Haworth & M.G.Kelly (unaccepted > interim unpublished )
Aneumastus subapiculatus Z.Levkov & T.Nakov, 2007 (uncertain > unassessed )
Aneumastus tuscula (Ehrenberg) D.G.Mann & A.J.Stickle, 1990 † accepted as Navicula tuscula f. tuscula Ehrenberg, 1840
Aneumastus tuscula f. angulatus (Hustedt) Lange-Bertalot, 1999 accepted as Navicula tuscula f. angulata Hustedt, 1942
Aneumastus tuscula f. minor N.A.Andresen, E.F.Stoermer & R.G.Kreis, Jr., 2000 (uncertain > unassessed )
Aneumastus tuscula f. obtusus (Hustedt) N.A.Andresen, E.F.Stoermer & R.G.Kreis, Jr., 2000 accepted as Navicula tuscula var. obtusa Hustedt, 1922
Aneumastus tuscula var. obtusus (Hustedt) E.Y.Haworth & M.G.Kelly accepted as Aneumastus minor Lange-Bertalot, 1993
Aneumastus tuscula var. rostratus (Hustedt) N.A.Andresen, E.F.Stoermer & R.G.Kreis Jr., 2000 accepted as Navicula tuscula var. rostrata Hustedt, 1911
Aneumastus tusculoides (A.Cleve) D.G.Mann, 1990 accepted as Navicula tusculoides var. tusculoides Cleve-Euler, 1953
Aneumastus tusculus (Ehrenberg) D.G. Mann & Stickle in Round, Crawford & Mann, 1990
Aneumastus tusculus f. minor (Hustedt) Bukhtiyarova, 1995 accepted as Navicula tuscula f. minor Hustedt, 1930
Aneumastus tusculus f. rostrata (Hustedt) Bukhtiyarova, 1995 accepted as Navicula tuscula var. rostrata Hustedt, 1911
Aneumastus tusculus var. capitata (Font.) E.Y.Haworth & M.G.Kelly (unaccepted > interim unpublished )
Aneumastus yamdrokensis Q.Liu & S.L.Xie in Liu et al., 2018
Decussiphycus hexagonus (Torka) Guiry & Gandhi, 2019
Decussiphycus placenta (Ehrenberg) Guiry & Gandhi, 2019
Decussiphycus placenta var. obtusus (F.Meister) Guiry & Gandhi, 2019
Mastogloia abnormis Al-Handal & Pennesi, 2016
Mastogloia achnanthioides A.Mann, 1925
Mastogloia achnanthioides f. constricta Voigt, 1967 (uncertain > unassessed )
Mastogloia achnanthioides var. achnanthioides Mann, 1925 (uncertain > unassessed )
Mastogloia achnanthioides var. elliptica Hustedt, 1933 (uncertain > unassessed )
Mastogloia acuta Grunow in Cleve, 1883 (uncertain > unassessed )
Mastogloia acutiuscula Grunow
Mastogloia acutiuscula var. acutiuscula Grunow in Cleve, 1883 (uncertain > unassessed )
Mastogloia acutiuscula var. elliptica Hustedt, 1933 (uncertain > unassessed )
Mastogloia acutiuscula var. labuensis Cleve, 1883 (uncertain > unassessed )
Mastogloia acutiuscula var. vairaensis Ricard, 1975 (uncertain > unassessed )
Mastogloia adamantina Brun, 1896 (uncertain > unassessed )
Mastogloia admirabilis Voigt, 1942 (uncertain > unassessed )
Mastogloia adriatica Voigt, 1963 (uncertain > unassessed )
Mastogloia adriatica var. linearis Voigt, 1963 (uncertain > unassessed )
Mastogloia aegyptiaca Pennesi & Poulin, 2016
Mastogloia aestuarii Tschugunov, 1921 (uncertain > unassessed )
Mastogloia affinis Cleve, 1892 (uncertain > unassessed )
Mastogloia affirmata (Leuduger-Fortmorel) Cleve, 1892 accepted as Navicula affirmata Leuduger-Fortmorel, 1879
Mastogloia albertii Pavlov, Jovanovska, Wetzel, Ector & Levkov, 2016
Mastogloia albifrons Brun in Schmidt et al., 1893 (uncertain > unassessed )
Mastogloia ambigua Østrup, 1913 (uncertain > unassessed )
Mastogloia amoena (uncertain > unassessed )
Mastogloia amoena var. amoena Brun, 1895 (uncertain > unassessed )
Mastogloia amoena var. turgida Brun, 1895 (uncertain > unassessed )
Mastogloia amoyensis Voigt, 1942
Mastogloia amoyensis var. amoyensis Voigt, 1942 (uncertain > unassessed )
Mastogloia amoyensis var. robusta Gonzalves & H.P.Gandhi, 1952
Mastogloia amphibia Grunow ex Tempère & Peragallo, 1909 (uncertain > unassessed )
Mastogloia amphicephala Grunow in Cleve & Möller, 1878 (uncertain > unassessed )
Mastogloia amphicephala var. amphicephala Zakrzewski, 1934 (uncertain > unassessed )
Mastogloia amphicephala var. humerosa Brun in Schmidt et al., 1893 (uncertain > unassessed )
Mastogloia amphipleuroidea Voigt, 1942 (uncertain > unassessed )
Mastogloia amygdala Leuduger-Fortmorel, 1892 (uncertain > unassessed )
Mastogloia andrussowii (uncertain > unassessed )
Mastogloia andrussowii var. andrussowii Pantocsek, 1902 (uncertain > unassessed )
Mastogloia andrussowii var. cipollae Zanon, 1933 (uncertain > unassessed )
Mastogloia andrussowii var. minor Pantocsek, 1902 (uncertain > unassessed )
Mastogloia andrussowii var. sancti cataldi Zanon, 1933 (uncertain > unassessed )
Mastogloia angulata Lewis, 1861
Mastogloia angulata sensu H. Peragallo, 1888 (uncertain > unassessed )
Mastogloia angulata var. angulata Lewis, 1862 (uncertain > unassessed )
Mastogloia angulata var. capitata Zanon, 1933 (uncertain > unassessed )
Mastogloia angulata var. pusilla (Grunow) Grunow ex Cleve & Moller, 1882 accepted as Mastogloia apiculata var. pusilla Grunow, 1877
Mastogloia angulata var. rostrata Zanon, 1933 (uncertain > unassessed )
Mastogloia angulata var. sarmatica Jurilj, 1957 (uncertain > unassessed )
Mastogloia angusta Hustedt, 1933 (uncertain > unassessed )
Mastogloia angustata Pantocsek, 1912 (uncertain > unassessed )