Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
       Superorder Gentiananae Thorne ex Reveal (1992) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
         Order Gentianales Juss. ex Bercht. & J.Presl (1820)
           Family Antoniaceae Hutch. (1959) see Tribe Antonieae Endl. (1838)
             1 Genus Norrisia G. Gardner (1849)
             2 Genus Bonyunia R. Schomburgk ex Progel, in Mart. (1868)
             3 Genus Antonia Pohl (1828)
             4 Genus Usteria Willd. (1790)