Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883) gymnosperms see Class Spermatopsida Subclass Pinidae Cronquist, Takht. & Zimmerm. (1966) - conifers Order Cupressales Link (1829) Family Sciadopityaceae Luerss. (1877) 1 Genus Sciadopitys Siebold & Zucc. (1842)