Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Pteridobiotina Britton & A. Br. (1896) Superphylum Cycadophytanae Doweld (2001) Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Subphylum Magnoliophytina Reveal (1996) Class Magnoliopsida Brongn. (1843) Subclass Cornidae Frohne & U. Jensen ex Reveal (1994) see Subclass Asteridae Takht. (1967) Superorder Escallonianae Doweld (2001) Order Sphenostemonales Doweld (2001) [monotypic] see Order Paracryphiales Takht. ex Reveal (1992) 1 Family Sphenostemonaceae P. Royen & Airy Shaw (1972) see Family Paracryphiaceae Airy Shaw (1965)