Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Ranunculidae Takht. ex Reveal (1992) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820) Superorder Ranunculanae Takht. ex Reveal (1992) Order Menispermales Bromhead (1838) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820) Family Menispermaceae Juss. (1789), nom. cons. - moonseed family Tribe Pachygoneae Miers ex Hook.f. & Thomson (1855) Genus Pycnarrhena Miers ex Hook.f. & T. Thomson (1855)