Subclass [Bryidae] Engl. (1892) - mosses Superorder Hypnanae W.R.Buck & Goffinet ex W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005) Order Hookeriales M. Fleisch. Family Pilotrichaceae Kindb. Subfamily Hypnelloideae Genus Thamniopsis (Mitt.) M.Fleisch. (1908)