[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 Polypodiaceae J.Presl & C.Presl (1822) - polygrams
               Grammitids
                 01 Genus Acrosorus Copel. (1906)
                 02 Genus Calymmodon C.Presl (1836)
                 03 Genus Ceradenia L.E.Bishop (1988)
                 04 Genus Chrysogrammitis Parris
                 05 Genus Ctenopteris Blume ex Kunze (1846) see Genus Prosaptia C.Presl (1836)
                 06.1 Genus Grammitis Sw. (1801)
                 06.2 Genus Adenophorus Gaudich. (1824)
                 06.3 Genus Cochlidium Kaulf. (1820)
                 06.4 Genus Enterosora Baker
                 06.5 Genus Melpomene A.R.Sm. & R.C.Moran (1992)
                 06.6 Genus Micropolypodium Hayata
                 06.7 Genus Prosaptia C.Presl (1836)
                 06.8 Genus Scleroglossum Alderw. (1912)
                 07 Genus Lellingeria A.R.Sm. & R.C.Moran
                 08 Genus Luisma M.T.Murillo & A.R.Sm.
                 09 Genus Terpsichore A.R.Sm.
                 10 Genus Themelium (T.Moore) Parris
                 11 Genus Zygophlebia L.E.Bishop (1989)