living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Eumycota see Kingdom Eumycota
           Subdivision Ascomycotina Ainsw. (1966) see Phylum Ascomycota Caval.-Sm. (1998)
             Class Loculoascomycetes Ainsw. (1966) see Class Ascomycetes G.Winter (1880)
               Subclass Loculoanoteromycetidae see Class Ascomycetes G.Winter (1880)
                 Order Chaetothyriales M.E.Barr (1987)
                   Family Chaetothyriaceae Hansf. ex M.E.Barr (1979)
                     1 Genus Ceramothyrium Bat. & H. Maia (1956)
                     2 Genus Chaetothyrium Speg. (1888)
                     3 Genus Phaeosaccardinula Henn. (1905)
                     4 Genus Treubiomyces Höhn. (1909)