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 Myrtanae Takht. (1967) see Order Myrtales Juss. ex Bercht. & J.Presl (1820) Order Myrtales Juss. ex Bercht. & J.Presl (1820) Suborder Trapineae see Order Myrtales Juss. ex Bercht. & J.Presl (1820) Family Trapaceae Dumort. (1829), nom. cons. - water chestnut family see Family Lythraceae J.St.-Hil. (1805), nom. cons. 1 Genus Trapa L. (1753) 2 Genus †Hemitrapa Miki (1941)