Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
   gymnosperms see Class Spermatopsida
     Subclass Pinidae Cronquist, Takht. & Zimmerm. (1966) - conifers
       Order Araucariales Gorozh. (1904)
         Family Podocarpaceae Endl. (1847), nom. cons. - podocarp family
           Genus Saxegothaea Lindl. (1851), nom. cons., orth. cons.