Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Subkingdom Lycopodiobiotina Doweld (2001)
     Division Lycopodiophyta D.H.Scott (1900) see Phylum Lycopodiophyta D.H.Scott (1900)
       Class Lycopodiopsida Bartl. (1830)
         Order †Protolepidodendrales Koidzumi (1939)
           Family †Sublepidodendraceae Kräusel & Weyland (1949)
             1 Genus †Prelepidodendropsis Senkev. (1972)
             2 Genus †Shundia A.L. Jurina (1997)
             3 Genus †Sublepidodendron Nath. ex Hirmer (1927)
             4 Genus †Tancrea Stockm. (1948)