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 Gasteromycetes Fr. (1821)
               Order Nidulariales see Order Agaricales Underw. (1899)
                 Family Nidulariaceae Dumort. (1822)
                   1 Genus Nidularia Fr. (1817), nom. cons.
                   2 Genus Nidula V.S. White (1902)
                   3 Genus Mycocalia J.T. Palmer (1961)
                   4 Genus Crucibulum Tul. & C.Tul. (1844)
                   5 Genus Cyathus Haller (1768), nom. sanct. - bird's nest fungi