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 Aquifolianae Doweld (2001) 21 Order Cardiopteridales Takht. (1997) see Order Aquifoliales Senft (1856) 22 Order Metteniusales Takht. (1997) [monotypic] 23 Order Aquifoliales Senft (1856) [monotypic] 24 Order Helwingiales Takht. (1997) [monotypic] see Order Aquifoliales Senft (1856) 25 Order Phyllonomales Doweld (2001) [monotypic]