Anaeromyces A. Breton, A. Bernalier, M. Dusser, G. Fonty, B. Gaillard-Martinie & J. Guillot, 1990 (basis of record)
Balamuthia Visvesvara, Schuster & Martínez, 1993 (basis of record)
Balamuthia Visvesvara, Schuster & Martínez, 1993 (extant flag source)
Caecomyces J.J. Gold in J.J. Gold, I.B. Heath & T. Bauchop, 1988 (basis of record)
Caulochytrium J.R. Voos & L.S. Olive, 1968 (basis of record)
Cyllamyces E. Ozkose, B.J. Thomas, D.R. Davies, G.W. Griffith & M.K. Theodorou, 2001 (basis of record)
Dilophus J.G. Agardh, 1882 accepted as Dictyota J.V.F. Lamouroux, 1809 (extant flag source)
Dilophus J.G. Agardh, 1882 accepted as Dictyota J.V.F. Lamouroux, 1809 (basis of record)
Endolimax Kuenen & Swellengrebel, 1917 (extant flag source)
Endolimax Kuenen & Swellengrebel, 1917 (basis of record)
Gaertneriomyces D.J.S. Barr, 1980 (basis of record)
Halorbilia (basis of record)
Halorbilia (extant flag source)
Harpochytrium Lagerheim, 1890 (basis of record)
Karlingiomyces F.K. Sparrow, 1960 (basis of record)
Kochiomyces D.J.S. Barr, 1980 (basis of record)
Mastigina Frenzel, 1892 (basis of record)
Mastigina Frenzel, 1892 (extant flag source)
Microglomus L.S. Olive & C. Stoianovitch, 1977 (basis of record)
Monoblepharella Sparrow, 1940 (basis of record)
Neocallimastix J. Vavra & L. Joyon ex I.B. Heath in I.B. Heath et al., 1983 (basis of record)
Neocallimastix J. Vavra & L. Joyon ex I.B. Heath in I.B. Heath et al., 1983 (extant flag source)
Neolecta Spegazzini, 1881 (basis of record)
Oedogoniomyces Tak. Kobayashi & M. Ôkubo, 1954 (basis of record)
Orpinomyces D.J.S. Barr, H. Kudo, K.D. Jakober & K.J. Cheng, 1989 (basis of record)
Pellita Smirnov & Kudryavtsev, 2005 (extant flag source)
Pellita Smirnov & Kudryavtsev, 2005 (basis of record)
Phalansterium Cienkowski, 1870 (basis of record)
Piromyces J.J. Gold, I.B. Heath & T. Bauchop, 1988 (basis of record)
Pyxidiophora Brefeld & Tavel, 1891 (basis of record)
Rhizophlyctis A. Fischer, 1891 (basis of record)
Rozella Cornu, 1872 (basis of record)
Tubulifera O.F. Müller ex N.J. Jacquin, 1779(?) accepted as Tubifera J.F. Gmelin, 1792 (basis of record)
Tychosporium F.W. Spiegel in F.W. Spiegel, D.L. Moore & J. Feldman, 1995 (basis of record)