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 Zoopagales E.A. Bessey ex R.K. Benj. (1979)
                 1 Family Cochlonemataceae Dudd. (1974)
                 2 Family Helicocephalidaceae Boedijn (1959)
                 2 Family Helicocoephalidaceae see Family Helicocephalidaceae Boedijn (1959)
                 3 Family Piptocephalidaceae Sred. (1873)
                 4 Family Zoopagaceae Drechsler (1938)