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 Basidiomycotina see Phylum Basidiomycota R.T.Moore (1980)
             Class Hymenomycetes Fr. (1821)
               Order Agaricales Underw. (1899)
                 Family Hydnaceae Chevall. (1826)
                   1 Genus Hydnum L. (1753), nom. sanct., nom. cons.
                   2 ?Genus Climacodon P.Karst. (1881)
                   3 ?Genus Steccherinum Gray (1821)