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 Mucoraceae Fr. (1821)
                   Genus Geosiphon F. Wettst. (1915)
                   Genus Zygohynchus nom. null. see Genus Zygorhynchus Vuill. (1903)
                   1 Genus group Mucor
                   2 Genus group Absidia
                   3 Genus group Rhizopus
                   4 Genus group Sporodinia
                   5 Genus Gilbertella Hesselt. (1960)
                   6 Genus Phycomyces Kunze (1823), nom. sanct.