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 Ptychomniales W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005) [monotypic]
                 Family Ptychomniaceae M. Fleisch. (1908)
                   01 Genus Cladomnion Hook.f. & Wilson (1854)
                   02 Genus Cladomniopsis M.Fleisch. (1908)
                   03 Genus Dichelodontium Hook.f. & Wilson ex Broth. (1907)
                   04 Genus Endotrichellopsis During (1977)
                   05 Genus Euptychium Schimp. (1865)
                   06 Genus Garovaglia Endl. (1836)
                   07 Genus Glyphotheciopsis N. Pedersen & A.E. Newton (2007)
                   08 Genus Glyphothecium Hampe (1860)
                   09 Genus Hampeella Müll.Hal. (1881)
                   10 Genus Ombronesus N.E. Bell, N. Pedersen & A.E. Newton (2007)
                   11 Genus Ptychomniella (Broth.) W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005)
                   12 Genus Ptychomnion (Hook.f. & Wilson) Mitt. (1869)
                   13 Genus Tetraphidopsis Broth. & Dixon (1912)