| Pringsheimiella marchantiae (Setch. & N.L. Gardner) Schmidt, 1934 |
| Pringsheimiella scutata (Reinke) Marchewianka, 1925 |
| Ulvella P. Crouan & H. Crouan, 1859 |
| Ulvella cingens (Setch. & N.L. Gardner) R. Nielsen, C.J. O'Kelly & B. Wysor, 2013 |
| Ulvella lens P. Crouan & H. Crouan, 1859 |
| Ulvella marchantiae (Setch. & N.L. Gardner) R. Nielsen, C.J. O'Kelly & B. Wysor, 2013 |
| Ulvella monostromatica P.J.L. Dang., 1965 |
| Ulvella ramosa (N.L. Gardner) R. Nielsen, C.J. O'Kelly & B. Wysor, 2013 |
| Ulvella scutata (Reinke) R. Nielsen, C.J. O'Kelly & B. Wysor, 2013 |
| Ulvella setchellii P.J.L. Dang., 1931 |
| Ulvella viridis (Reinke) R. Nielsen, C.J. O'Kelly & B. Wysor, 2013 |
| Ulvellaceae Schmidle, 1899 |