• Gyrospora Qadri, 1962
• Macrospora Fuckel, 1870 [Family: Pleosporaceae]
• Macrospora Tsyganov et al., 1964 accepted as Streptomyces Waksman & Henrici, 1943 (Approved Lists, 1980) [Family: Streptomycetaceae]
• Menospora Léger, 1892
• Mesospora Weber-van Bosse, 1911
• Microspora Hassall, 1843 (unaccepted) [Family: Cladophoraceae]
• Microspora Thuret, 1850 [Family: Microsporaceae]
• Microspora Velenovský, 1934 [Family: Helotiales incertae sedis]
• Mitrospora C.G.D. Nees, 1834 (uncertain)
• Monospora Hochstetter, 1841 (uncertain) [Family: Salicaceae]
• Monospora Metschnikoff, 1884 accepted as Metschnikowia T. Kamienski, 1899 [Family: Metschnikowiaceae]
• Morispora Salazar-Yepes, Pardo-Cardona & Buriticá, 2007
• Murispora Y. Zhang, J. Fournier & K.D. Hyde, 2009
• Murospora G. Somers, 1952 †
• Myospora Stentiford, Bateman, Small, Moss, Shields, Reece & Tuck, 2010
• Myriapora de Blainville, 1830
• Myriaspora A.P. de Candolle, 1828
• Myriopora Volz, 1904 † (uncertain)
• Myriospora Lermantoff, 1913 [Family: Myriosporidae]
• Myriospora Nägeli in Hepp, 1853 accepted as Acarospora A. Massalongo, 1852 [Family: Acarosporaceae]
• Mytraspora Fujita, 1912