Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Dilleniidae Takht. ex Reveal & Tahkt. (1993) see Order Dilleniales DC. ex Bercht. & J.Presl (1820)
       Superorder Violanae R.Dahlgren ex Reveal (1992) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
         Order Cucurbitales Juss. ex Bercht. & J.Presl (1820)
           Family Cucurbitaceae Juss. (1789), nom. cons. - cucumber family
             Subfamily Zanonioideae (Dumort.) Luerss. (1882) see Subfamily Nhandiroboideae (T.Lestib., 1826) Kostel. (1833)
               1 Genus Fevillea L. (1753)
               2 Genus Alsomitra (Blume) M.J. Roemer (1846)
               3 Genus Gerrardanthus Harvey ex Hook.f., in Bentham & Hook.f. (1867)
               4 Genus Xerosicyos Humbert (1939)
               5 Genus Cyclantheropsis Harms (1896)
               6 Genus Zanonia L. (1753)