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 Hypnales W.R. Buck & Vitt
           01 Family Rutenbergiaceae M. Fleisch.
           02 Family Trachylomataceae W.R.Buck & Vitt
           03 Family Amblystegiaceae G.Roth
           04 Family Cratoneuraceae Mönk. see Family Amblystegiaceae G.Roth
           05 Family Helodiaceae Ochyra
           06 Family Hylocomiaceae M. Fleisch.
           07 Family Rhytidiaceae Broth.
           08 Family Leskeaceae Schimp.
           09 Family Regmatodontaceae Broth.
           10 Family Pterigynandraceae Schimp.
           11 Family Rigodiaceae H.A. Crum (1984) see Family Lembophyllaceae Broth.
           12 Family Thuidiaceae Schimp.
           13 Family Campyliaceae (Kanda, 1975[1976]) W.R.Buck, in W.R.Buck & Goffinet, in A.J.Shaw & Goffinet, eds. (2000) see Family Amblystegiaceae G.Roth
           14 Family Brachytheciaceae G.Roth
           15 Family Stereophyllaceae W.R.Buck & Ireland
           16 Family Myriniaceae Schimp.
           17 Family Fabroniaceae Schimp.
           18 Family Meteoriaceae Kindb.
           19 Family Plagiotheciaceae M. Fleisch.
           20 Family Fontinalaceae Schimp.
           21 Family Entodontaceae Kindb. (1897), nom. cons.
           22 Family Climaciaceae Kindb.
           23 Family Pleuroziopsidaceae Ireland (1968) see Family Climaciaceae Kindb.
           24 Family Hypnaceae Schimp.
           25 Family Catagoniaceae W.R.Buck & Ireland
           26 Family Symphyodontaceae M. Fleisch.
           27 Family Sematophyllaceae Broth. (1905), nom. cons.
           28 Family Hydropogonaceae W.H. Welch see Family Sematophyllaceae Broth. (1905), nom. cons.
           29 Family Myuriaceae M. Fleisch.
           30 Family Cryphaeaceae Schimp.
           31 Family Prionodontaceae Broth.
           32 Family Leucodontaceae Schimp.
           33 Family Pterobryaceae Kindb.
           34 Family Phyllogoniaceae Kindb.
           35 Family Orthorrhynchiaceae S.H. Lin
           36 Family Lepyrodontaceae Broth.
           37 Family Neckeraceae Schimp.
           38 Family Echinodiaceae Broth.
           39 Family Leptodontaceae Schimp.
           40 Family Lembophyllaceae Broth.
           41 Family Anomodontaceae Kindb.
           42 Family Theliaceae M. Fleisch.
           43 Family Microtheciellaceae H.A. Mill. & A.J.Harr. (1977)
           44 Family Sorapillaceae M. Fleisch.