Subclass [Bryidae] Engl. (1892) - mosses Superorder Ptychomnianae W.R.Buck et al. (2004) see Superorder Hypnanae W.R.Buck & Goffinet ex W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005) 1 Order Ptychomniales W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005)