Kingdom [Plantae] Haeckel (1866) - plants Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998) Class Lycopsida - club-mosses see Class Lycopodiopsida Bartl. (1830) Order Isoetales Prantl (1874) - quillworts see Order Isoëtales Prantl (1874) Family †Chaloneriaceae Pigg & G.W.Rothwell (1983)