Phylum Bryophyta A.Braun (1864) - bryophytes
   Class Bryopsida McClatchie (1897) - mosses
     Subclass Bryidae Engl. (1892) - mosses
       Superorder Hypnanae W.R.Buck & Goffinet, 2000, nom. inval. see Superorder Hypnanae W.R.Buck & Goffinet ex W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005)
         Order Hookeriales M. Fleisch.
           Suborder Hookeriineae see Order Hookeriales M. Fleisch.
             Family Pilotrichaceae Kindb.
               01 Genus Actinodontium Schwägr. (1826)
               02 Genus Amblytropis (Mitt.) Broth. (1907)
               03 Genus Beeveria Fife
               04 Genus Brymela Crosby & B.H. Allen
               05 Genus Callicostella (Müll.Hal.) Mitt. (1859) - callicostella moss
               06 Genus Callicostellopsis Broth.
               07 Genus Crossomitrium Müll.Hal. (1874)
               08 Genus Cyclodictyon Mitt. (1863) - cyclodictyon moss
               09 Genus Diploneuron E.B.Bartram (1936)
               10 Genus Helicoblepharum (Spruce ex Mitt.) Broth. (1907)
               11 Genus Hemiragis (Brid.) Besch. (1876)
               12 Genus Hookeriopsis (Besch.) A. Jaeger (1877)
               13 Genus Hypnella (Müll.Hal.) A. Jaeger (1877)
               14 Genus Lepidopilidium (Müll.Hal.) Broth. (1907)
               15 Genus Lepidopilum (Brid.) Brid. (1827), nom. cons. - lepidopilum moss
               16 Genus Pilotrichidium Besch. (1876)
               17 Genus Pilotrichum P.Beauv. (1804)
               18 Genus Sauloma (Hook.f. & Wilson) Mitt. (1859)
               19 Genus Stenodesmus (Mitt.) A. Jaeger (1877)
               20 Genus Stenodictyon (Mitt.) A. Jaeger (1877)
               21 Genus Tetrastichium (Mitt.) Cardot (1908)
               22 Genus Thamniopsis (Mitt.) M.Fleisch. (1908)
               23 Genus Trachyxiphium W.R.Buck (1987) - trachyxiphium moss
               24 Genus Vesiculariopsis Broth. (1908)