Kingdom [Plantae] Haeckel (1866) - plants Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998) Class †Horneophytopsida S.V.Meyen (1978) [monotypic] see Class Langiophytopsida Doweld (2001) Order †Horneophytales Novák (1961) [monotypic] see Order Langiophytales Doweld (2001) 1 Family †Horneophytaceae Darrah (1960) see Family Langiophytaceae Doweld (2001)