Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Family Microthyriaceae Sacc. (1883)
         01 Genus Actinomyxa Syd. & P.Syd. (1917)
         02 Genus Actinopeltis Höhn. (1907)
         03 Genus Arnaudiella Petr. (1927)
         04 Genus Asterinella Theiss. (1912)
         05 Genus Asterinema Bat. & Gayão (1953)
         06 ?Genus Asteritea Bat. & R. Garnier (1961)
         07 Genus Asteronia (Sacc.) Henn. (1895)
         08 Genus Byssopeltis Bat., J.L. Bezerra & T.T. Barros (1970)
         09 Genus Calothyriopsis Höhn. (1919)
         10 Genus Caribaeomyces Cif. (1962)
         11 Genus Caudella Syd. & P.Syd. (1916)
         12 ?Genus Cirsosina Bat. & J.L. Bezerra (1960)
         13 Genus Cirsosiopsis Butin & Speer (1979)
         14 Genus Cyclotheca Theiss. (1914)
         15 Genus Dictyoasterina Hansf. (1947)
         16 Genus Govindua Bat. & H. Maia (1960)
         17 ?Genus Helminthopeltis Sousa da Câmara (1950)
         18 ?Genus Hidakaea I.Hino & Katum. (1955)
         19 ?Genus Hugueninia J.L. Bezerra & T.T. Barros (1970)
         20 ?Genus Lembosiella Sacc. (1891)
         21 Genus Lichenopeltella Höhn. (1919)
         22 Genus Maublancia G. Arnaud (1918)
         23 Genus Microthyrium Desm. (1841)
         24 Genus Muyocopron Speg. (1881)
         25 Genus Pachythyrium G. Arnaud ex Spooner & P.M.Kirk (1990)
         26 Genus Palawania Syd. & P.Syd. (1914)
         27 ?Genus Petrakiopeltis Bat., A.F. Vital & Cif. (1957)
         28 Genus Phaeothyriolum Syd. (1938)
         29 ?Genus Phragmaspidium Bat. (1960)
         30 Genus Platypeltella Petr. (1929)
         31 Genus Polycyclinopsis Bat., A.F. Vital & I.H. Lima (1958)
         32 ?Genus Polystomellina Bat. & A.F. Vital (1958)
         33 ?Genus Resendea Bat. (1961)
         34 ?Genus Sapucchaka K. Ramakr. (1956)
         35 ?Genus Scolecopeltidium F.Stevens & Manter (1925)
         36 Genus Seynesiella G. Arnaud (1918)
         37 Genus Seynesiopeltis F.Stevens & R.W. Ryan (1925)
         38 ?Genus Stegothyrium Höhn. (1918)
         39 ?Genus Tothia Bat. (1960)
         40 ?Genus Trichopeltella Höhn. (1910)
         41 ?Genus Trichopeltina Theiss. (1914)
         42 ?Genus Trichopeltospora Bat. & Cif. (1958)
         43 ?Genus Trichopeltum Bat., Cif. & C.A.A. Costa (1957)
         44 Genus Trichothyriella Theiss. (1914)
         45 Genus Trichothyrinula Petr. (1950)
         46 Genus Trichothyriomyces Bat. & H. Maia (1955)
         47 Genus Trichothyriopsis Theiss. (1914)
         48 Genus Trichothyrium Speg. (1889)
         49 Genus Xenostomella Syd. (1930)