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 group Absidia
                     1 Genus Absidia Tiegh. (1878)
                     2 Genus Chlamydoabsidia Hesselt. & J.J. Ellis (1966)
                     3 Genus Gongronella Ribaldi (1952)
                     4 Genus Halteromyces Shipton & Schipper (1975)