life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Tracheata see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
         "gymnosperms" see Class Spermatopsida
           1.a Phylum †Cycadofilicales
           1.b Phylum Cycadophyta Bessey (1907) see Subclass Cycadidae Pax (1894)
           2.1 Phylum Ginkgophyta Bessey (1907) see Subclass Ginkgoidae Pax (1900)
           2.2 Phylum Coniferophyta see Subclass Pinidae Cronquist, Takht. & Zimmerm. (1966)
           2.3.1 Phylum Gnetophyta Bessey (1907) see Subclass Gnetidae Pax (1894)