Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Lycopodiobiotina Doweld (2001) Division †Rhyniophyta Cronquist, Takht. & Zimmerm. (1966) see Phylum Rhyniophyta Cronquist, Takht. & Zimmerm. (1966) Class †Rhyniopsida Krysht. (1925) Order †Cooksoniales Doweld (2001) Family †Cooksoniaceae H. Banks ex D.Edwards (1970) Genus †Uskiella Shute & D.Edwards (1989)