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 †Leptophloeaceae Kräusel & Weyland (1949)
             Genus †Leptophloeum J.W. Dawson (1862)