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 Zygomycotina nom. nud. see Phylum Zygomycota Moreau (1954)
             Class Zygomycetes G.Winter (1880) see Class Zygomycetes Caval.-Sm. (1998)
               Order Mucorales Nees (1817)
                 Family Cunninghamellaceae Naumov ex R.K. Benj. (1959)
                   1 Genus Cunninghamella Matr. (1903)
                   2 Genus Sigmoideomyces Thaxt. (1891)
                   3 Genus Thamnocephalis Blakeslee (1905)