Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Cornidae Frohne & U. Jensen ex Reveal (1994) see Subclass Asteridae Takht. (1967)
       Superorder Aralianae Takht. (1967) see Order Apiales Nakai (1930)
         Order Pittosporales Lindl. (1833) see Order Apiales Nakai (1930)
           Family Pittosporaceae R.Br. (1814), nom. cons. - Pittosporum family
             Tribe Billardiereae Pax (1891)
               1 Genus Citriobatus A.Cunn. & Putterlick, in Putterlick (1839) see Genus Pittosporum Banks ex Solander (1788), nom. cons.
               2 Genus Pronaya Hügel (1837) see Genus Billardiera Sm. (1793)
               3 Genus Billardiera Sm. (1793)
               4 Genus Bentleya E. M. Benn.
               5 Genus Sollya Lindl. (1832) see Genus Billardiera Sm. (1793)
               6 Genus Cheiranthera Brongn., in Duperrey (1834)