organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Plantae Haeckel (1866) - plants Phylum Cycadophyta Bessey (1907) see Subclass Cycadidae Pax (1894) Genus Microcycas (Miq.) A.DC. (1868)