Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
       Subkingdom Lycopodiobiotina Doweld (2001)
         Phylum Isoëtophyta Doweld (2001)
           Subphylum Isoëtophytina Doweld (2001)
             Class †Lepidocarpopsida Doweld (2001)
               Order †Jurinodendrales Doweld (2001) see Order Protolepidodendrales Koidzumi (1939)
                 1 Family †Jurinodendraceae Doweld (2001), nom. illeg. see Family Cyclostigmataceae Haught. (1860)
                 2 Family †Omphalophloiaceae Nakai (1943)