Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Plantae Haeckel (1866) - plants
                       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                         Infrakingdom Streptophyta C. Jeffrey (1967)
                           Superphylum Embryophyta Crane et al. (2004)
                             "polysporangiophytes"
                               Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants
                                 Subphylum Euphyllophytina
                                   Infraphylum "Radiatopses" Kenrick & Crane (1997)
                                     "lignophytes"
                                       Class Spermatopsida
                                         "core seed plants"
                                           Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
                                             "core angiosperms"
                                               "eudicots"
                                                 "core eudicots"
                                                   Superorder Rosanae Takht. (1967)
                                                     "fabids"
                                                       Order Fagales Engl. (1892)
                                                         Family Juglandaceae DC. ex Perleb (1818) - walnut family
                                                           Genus †Alatonucula Hermsen & Gandolfo (2016)
                                                           Genus Annamocarya A. Chevalier (1941)
                                                           Genus †Antweileria F. Kirchheimer (1951)
                                                           Genus †Caryapollenites G.V. Raatz ex R. Potonié (1960)
                                                           Genus †Caryojuglandoxylon W.R. Müll.-Stoll & E. Mädel (1960)
                                                           Genus †Caryojuglans F. Kirchheimer (1935)
                                                           Genus †Cruciptera S.R. Manchester (1991)
                                                           Genus †Hicoroides G.H. Perkins (1904)
                                                           Genus †Juglandicarya Reid & Chandler (1933), nom. cons. prop.
                                                           Genus †Juglandiphyllum W.M. Fontaine (1889), nom. illeg.
                                                           Genus †Juglandites Sternberg ex Endlicher (1840)
                                                           Genus †Juglandoxylon G. Kraus (1886)
                                                           Genus †Jugloxylon M. Stopes & Fujii (1910)
                                                           Genus †Momipites R.P. Wodehouse (1933)
                                                           Genus †Palaeocarya G. Saporta (1873)
                                                           Genus †Paraengelhardtia E.W. Berry (1916)
                                                           Genus †Praeengelhardtia Berry (1916)
                                                           Genus †Pterocaryopsis M.E.J. Chandler (1961)
                                                           Genus †Pugetia J.A. Wolfe (1968), nom. illeg.
                                                           Genus †Vinea J.A. Wolfe (1968)
                                                           1 Subfamily Platycarioideae [monotypic]
                                                           2 Subfamily Engelhardtioideae
                                                           2.3 Genus Engelhardia Leschenault ex Blume (1825-1826)
                                                           3 Subfamily Juglandoideaeᵀ Eaton
                                                           4 Genus Rhoiptelea Diels & Handel-Mazzetti (1932) [monotypic]