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 Lycopodiophyta D.H.Scott (1900) see Subphylum Lycopodiophytina Reveal (1996)
           Class †Drepanophycopsida R.J. Rayner (1984)
             Order †Protolepidodendrales Koidzumi (1939)
               1 Family †Protolepidodendraceae Zimmerm. (1930)
               2 Family †Atasudendraceae Jurina (1993)
               3 Family †Eleutherophyllaceae Kräusel & Weyland (1949)
               4 Family †Blasariaceae Senkevitsch (1961)