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 Cupressaceae Gray (1822), nom. cons. - cypress family Genus Papuacedrus H.L.Li (1953)