Phylum Bryophyta A.Braun (1864) - bryophytes
   Class Bryopsida McClatchie (1897) - mosses
     Subclass Diphysciidae Ochyra
       Order Diphysciales M. Fleisch.
         Family Diphysciaceae M. Fleisch.
           1 Genus Diphyscium D. Mohr (1803)
           2 Genus Muscoflorschuetzia Crosby (1978) see Genus Diphyscium D. Mohr (1803)
           3 Genus Theriotia Cardot (1904) see Genus Diphyscium D. Mohr (1803)