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.
         Subfamily Hypnelloideae
           01 Genus Actinodontium Schwägr. (1826)
           02 Genus Amblyotropis nom. null. see 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 Stenodesmus (Mitt.) A. Jaeger (1877)
           18 Genus Stenodictyon (Mitt.) A. Jaeger (1877)
           19 Genus Thamniopsis (Mitt.) M.Fleisch. (1908)
           20 Genus Trachyxiphium W.R.Buck (1987) - trachyxiphium moss