Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Subkingdom Bryobiotina Campb. (1890)
     Division Bryophyta A.Braun (1864) - mosses and liverworts see Phylum Bryophyta A.Braun (1864)
       Subdivision Bryophytina Engl. (1892) see Subphylum Bryophytina Engl. (1892)
         Class Bryopsida McClatchie (1897) - mosses
           Subclass Bryidae Engl. (1892) - mosses
             Superorder Hypnanae W.R.Buck & Goffinet ex W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005)
               Order Hookeriales M. Fleisch.
                 Family Pilotrichaceae Kindb.
                   01 Genus Actinodontium Schwägr. (1826)
                   02 Genus Amblytropis (Mitt.) Broth. (1907)
                   03 Genus Brymela Crosby & B.H. Allen
                   04 Genus Callicostella (Müll.Hal.) Mitt. (1859) - callicostella moss
                   05 Genus Callicostellopsis Broth.
                   06 Genus Cyclodictyon Mitt. (1863) - cyclodictyon moss
                   07 Genus Diploneuron E.B.Bartram (1936)
                   08 Genus Helicoblepharum (Spruce ex Mitt.) Broth. (1907)
                   09 Genus Hemiragis (Brid.) Besch. (1876)
                   10 Genus Hookeriopsis (Besch.) A. Jaeger (1877)
                   11 Genus Hypnella (Müll.Hal.) A. Jaeger (1877)
                   12 Genus Lepidopilidium (Müll.Hal.) Broth. (1907)
                   13 Genus Lepidopilum (Brid.) Brid. (1827), nom. cons. - lepidopilum moss
                   14 Genus Neohypnella E.B.Bartram (1928)
                   15 Genus Philophyllum Müll.Hal. (1898)
                   16 Genus Pilotrichidium Besch. (1876)
                   17 Genus Pilotrichum P.Beauv. (1804)
                   18 Genus Stenodesmus (Mitt.) A. Jaeger (1877)
                   19 Genus Stenodictyon (Mitt.) A. Jaeger (1877)
                   20 Genus Thamniopsis (Mitt.) M.Fleisch. (1908)
                   21 Genus Trachyxiphium W.R.Buck (1987) - trachyxiphium moss