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 Pyrenomycetes (Fr., 1821) Ainsworth (1966) see Class Ascomycetes G.Winter (1880)
               Order Chaetomiales see Family Chaetomiaceae G.Winter (1885)
                 Family Chaetomiaceae G.Winter (1885)
                   Genus Chaetomium Kunze (1817), nom. sanct.
                     1 Chaetomium brevipilium L.M. Ames
                     2 Chaetomium globosum Kunze (1824)
                     3 Chaetomium cochliodes Palliser (1910)
                     4 Chaetomium elatum Kunze & J.C.Schmidt (1824)