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 †Protolepidodendraceae Zimmerm. (1930)
             1 Genus †Baragwanathia W.H.Lang & Cookson (1935)
             2 Genus †Leclercqia H.P.Banks, Bonamo & J.D.Grierson (1972)
             3 Genus †Protolepidodendron Krejčí ex E.W.Berry (1920)