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 Hypnales W.R. Buck & Vitt
                 Family Pterobryaceae Kindb.
                   01 Genus Calyptothecium Mitt. (1868)
                   02 Genus Cryptogonium (Müll.Hal.) Hampe
                   03 Genus Henicodium (Müll.Hal.) Kindb. (1888)
                   04 Genus Hildebrandtiella Müll.Hal. (1876)
                   05 Genus Jaegerina Müll.Hal. (1876)
                   06 Genus Micralsopsis W.R.Buck
                   07 Genus Muellerobryum M.Fleisch. (1905)
                   08 Genus Neolindbergia M.Fleisch. (1906)
                   09 Genus Orthorrhynchidium Renauld & Cardot (1909)
                   10 Genus Orthostichidium Müll.Hal. ex Dusén (1895)
                   11 Genus Orthostichopsis Broth. (1906)
                   12 Genus Osterwaldiella M.Fleisch. ex Broth. (1925)
                   13 Genus Penzigiella M.Fleisch. (1906)
                   14 Genus Pireella Cardot (1913)
                   15 Genus Pseudocryptogonium Akiyama & B.C. Tan (2013)
                   16 Genus Pseudopterobryum Broth. (1929)
                   17 Genus Pterobryidium Broth. & Watts (1918)
                   18 Genus Pterobryon Hornsch. (1840)
                   19 Genus Pterobryopsis M.Fleisch. (1905)
                   20 Genus Renauldia Müll.Hal. ex Renauld (1891)
                   21 Genus Rhabdodontium Broth. (1906)
                   22 Genus Spiridentopsis Broth. (1906)
                   23 Genus Symphysodon Dozy & Molk. (1844)
                   24 Genus Symphysodontella M.Fleisch. (1906)