[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Plantae Haeckel (1866) - plants Division Tracheophyta see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) Subdivision Sphenophytina see Class Equisetopsida C.Agardh (1825) Class Equisetinae 1 Order Equisetales DC. ex Bercht. & J.Presl (1829) 2 Order †Hyeniales W.Zimm. (1930) see Order Cladoxylales W.Zimm. (1930) 3 Order †Sphenophyllales Wettst. (1903) 4 Order †Calamitales Eichwald (1852) see Order Equisetales DC. ex Bercht. & J.Presl (1829)