Phylum [Tracheophyta] Sinnott ex Caval.-Sm. (1998) - vascular plants Subphylum Lycopodiophytina Reveal (1996) [monotypic] Class Lycopodiopsida Bartl. (1830) Order Selaginellales Prantl (1874) [monotypic] 3 Family Selaginellaceae Willk. (1854) [monotypic]