Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Subkingdom Bryobiotina Campb. (1890)
     Division Marchantiophyta Stotler & Crand.-Stotl. (2000) see Phylum Marchantiophyta Stotler & Crand.-Stotl. (2000)
       Class Marchantiopsida Cronquist, Takht. & W.Zimm. (1966) - thalloid liverworts
         Subclass Marchantiidae Engl. (1893)
           Order Marchantiales Limpr.
             Family Aytoniaceae Cavers
               1 Genus Asterella P.Beauv. (1805)
               2 Genus Cryptomitrium Austin ex Underw. (1883)
               3 Genus Mannia Opiz (1829)
               4 Genus Plagiochasma Lehm. & Lindenb. (1832)
               5 Genus Reboulia Raddi (1818), nom. cons., orth. cons.