| Astomiopsis Müll. Hal., 1882 |
| Astomiopsis altivallis Delgad., 1989 |
| Astomiopsis amblyocalyx Müll. Hal., 1882 |
| Astomiopsis exserta (E.B. Bartram) Snider, 1988 |
| Astomiopsis kieneri (E.B. Bartram) Delgad. & M.A. Cárdenas, 1985 |
| Astomiopsis radiculosa (Herzog) W.R. Buck & R.H. Zander, 1980 |
| Astomiopsis x altivallis Delgad., 1989 |
| Bryomanginia Thér., 1931 |
| Bryomanginia saint-pierrei Thér., 1931 |
| Ceratodon Brid., 1826 |
| Ceratodon purpureus (Hedw.) Brid., 1826 |
| Ceratodon purpureus subsp. purpureus (Hedw.) Brid., 1826 |
| Ceratodon purpureus subsp. stenocarpus (Bruch & Schimp.) Dixon, 1914 |
| Ceratodon stenocarpus Bruch & Schimp., 1846 |
| Cygniella H.A. Crum, 1986 |
| Cygniella sharpii H.A. Crum, 1986 |
| Ditrichaceae Limpr., 1887 |
| Ditrichum Hampe, 1867 |
| Ditrichum difficile (Duby) M. Fleisch., 1904 |
| Ditrichum flexicaule (Schimp.) Hampe, 1867 |