Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843) Subclass Triurididae Takht. ex Reveal (1992) see Order Pandanales R.Br. ex Bercht. & J.Presl (1820) Superorder Triuridanae Thorne ex Reveal (1992) see Order Pandanales R.Br. ex Bercht. & J.Presl (1820) Order Petrosaviales Takht. (1997) Family Petrosaviaceae Hutch. (1934), nom. cons. Genus Petrosavia Becc. (1871)