Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Santalanae Thorne ex Reveal (1992)
         Order Santalales R.Br. ex Bercht. & J.Presl (1820)
           Family Olacaceae R.Br. (1818), nom. cons. - Olax family
             1 Subfamily Anacolosoideae Sleumer ex Reveal
             2 Subfamily Erythropaloideae (Tiegh.) Y.R.Ling see Family Erythropalaceae Planch. ex Miq. (1856), nom. cons.
             3 Subfamily Olacoideae
             4 Subfamily Schoepfioideae see Family Schoepfiaceae Blume (1850)