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 †Protolepidodendrales Koidzumi (1939) 1 Family †Protolepidodendraceae Zimmerm. (1930) 2 Family †Eleutherophyllaceae Kräusel & Weyland (1949)