| Porotrichum lindigii (Hampe) Mitt., 1869 |
| Porotrichum longirostre (Hook.) Mitt., 1869 |
| Porotrichum mexicanum Schimp. ex Besch., 1872 |
| Porotrichum minus Hampe, 1865 |
| Porotrichum minutum Mitt., 1869 |
| Porotrichum mutabile Hampe, 1862 |
| Porotrichum neckeroides (Hook.) R.S. Williams, 1901 |
| Porotrichum plicatulum Mitt., 1869 |
| Porotrichum stolonaceum Hampe, 1863 |
| Porotrichum substriatum (Hampe) Mitt., 1869 |
| Pseudanomodon (Limpr.) Ignatov & Fedosov, 2019 |
| Pseudanomodon attenuatus (Hedw.) Ignatov & Fedosov, 2019 |
| Thamnium Schimp., 1852 |
| Thamnium toccoae (Sull. & Lesq.) Kindb., 1894 |
| Thamnium tumidicaule K.A. Wagner, 1952 |
| Thamnobryum Nieuwl., 1917 |
| Thamnobryum neckeroides (Hook.) E. Lawton, 1971 |
| Thamnobryum tumidicaule (K.A. Wagner) Bowers, 1974 |