De stam Bryophyta A. Braun kent 8 klassen.
| Andreaeobryopsida Goffinet & W.R. Buck | Oedipodiopsida Goffinet & W.R. Buck | Takakiopsida Goffinet & W.R. Buck |
| Andreaeopsida J.H. Schaffn. | Polytrichopsida Doweld | Tetraphidopsida Goffinet & W.R. Buck |
| Bryopsida Rothm. | Sphagnopsida Schimp. |
