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 Plectomycetes Ainsw. (1966) see Class Ascomycetes G.Winter (1880)
               Order Eurotiales G.W. Martin ex Benny & Kimbr. (1980)
                 Family Cephalothecaceae Höhn. (1917)
                   Genus Cephalothecaᵀ Fuckel (1871)
                     Cephalotheca sulfureaᵀ Fuckel (1871)