Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Hamamelididae Takht. (1967)
       Superorder Trochodendranae Takht. ex Reveal (1996)
         Order Trochodendrales Takht. ex Cronquist (1981)
           1 Family Trochodendraceae Eichler (1865), nom. cons. - yama-kuruma family
           2 Family Tetracentraceae A.C.Sm. (1945), nom. cons. - Tetracentron family see Family Trochodendraceae Eichler (1865), nom. cons.