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
           Family Myriniaceae Schimp.
             1 Genus Austinia Müll.Hal.
             2 Genus Helicodontium Schwägr.
             3 Genus Macgregorella E.B.Bartram (1939)
             4 Genus Merrilliobryum Broth. (1908)
             5 Genus Myrinia Schimp. (1860), nom. cons.
             6 Genus Nematocladia W.R.Buck (1982)