| Pylaisiaceae | ! |
Aquilonium
| Hedenäs, Schlesak & D. Quandt | Bryoph. Diversity & Evol. 40(2): 46 | 2018 |
| Pylaisiaceae | ! |
Buckia
| D. Ríos, M.T. Gallego & J. Guerra | J. Bryol. 40(3): 258 | 2018 |
| Pylaisiaceae | ! |
Calliergonellopsis
| Jan Kučera & Ignatov | Taxon 68(4): 649 | 2019 |
| Pylaisiaceae | ! |
Insomniella
| Hedenäs, Schlesak & D. Quandt | Bryoph. Diversity & Evol. 40(2): 47 | 2018 |
| Pylaisiaceae | ! |
Lignocariosa
| Hedenäs, Schlesak & D. Quandt | Bryoph. Diversity & Evol. 40(2): 46 | 2018 |
| Pylaisiaceae | ! |
Roaldia
| P.E.A.S. Câmara & Carv.-Silva | J. Bryol. 40(3): 257 | 2018 |