Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Bryobiotina Campb. (1890) Division Anthocerotophyta Stotler & Crand.-Stotl. (1977) see Phylum Anthocerotophyta Stotler & Crand.-Stotl. (1977) Class Anthocerotopsida Jancz. (1872) - hornworts Subclass Anthocerotidae Engl. (1893) [monotypic] a Order Anthocerotales Limpr. (1877) [monotypic]