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 †Noeggerathiophyta Zimmerm. (1959) [monotypic] Class †Noeggerathiopsida Krysht. (1934) Order †Tingiales Zimmerm. (1959) [monotypic] 1 Family †Tingiaceae Koidz. (1938)