[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       "Moniliformopses" Kenrick & P.R.Crane (1997), nom. inval. - ferns see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
         Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
           Order Polypodiales Link (1833) - cathetogyrates
             Family Lindsaeaceae C.Presl ex M.R.Schomb. (1848) - lindsaeoids
               1 Genus Cystodium J.Sm. (1841), nom. cons.
               2 Genus Lindsaea Dryander ex Sm. (1793)
               3 Genus Lonchitis L. (1753)
               4 Genus Odontosoria Fée (1852)
               5 Genus Ormoloma Maxon (1933) see Genus Lindsaea Dryander ex Sm. (1793)
               6 Genus Tapeinidium (C.Presl) C.Chr. (1906)
               7 Genus Xyropteris K.U.Kramer (1958)