• Ulvella (Nylander) V. Trevisan, 1880 [Family: Ascomycota incertae sedis]
• Ulvella P.L. Crouan & H.M. Crouan, 1859 [Family: Ulvellaceae]
• Ulvella acervus P.J.L. Dangeard, 1965
• Ulvella americana J.W. Snow, 1899 accepted as Pseudulvella americana (J.W. Snow) Wille, 1911
• Ulvella applanata (Setchell & Gardner) G.R. South & Tittley accepted as Ulvella lens P.L. Crouan & H.M. Crouan, 1859
• Ulvella beesleyi F.E. Fritsch, 1927 accepted as Protoderma beesleyi (F.E. Fritsch) Printz, 1964
• Ulvella calcicola A.B. Cribb
• Ulvella conchicola C.T.C. Levring
• Ulvella confluens Rosenvinge, 1893
• Ulvella crenulata R. Lami
• Ulvella frequens Butcher, 1932 accepted as Protoderma frequens (Butcher) Printz, 1964
• Ulvella fucicola Rosenvinge, 1893 accepted as Pseudendoclonium fucicola (Rosenvinge) R. Nielsen, 1980
• Ulvella heterotricha (Yarish) M.J. Wynne, 1986 accepted as Epicladia heterotricha (Yarish) R. Nielsen, 1988
• Ulvella involvens (P. Savi) Schmidle
• Ulvella lens P.L. Crouan & H.M. Crouan, 1859
• Ulvella microcystis P.J.L. Dangeard, 1965 accepted as Planophila microcystis (P.J.L. Dangeard) Kornmann & Sahling, 1983 accepted as Dangemannia microcystis (P.J.L. Dangeard) T. Friedl & C.J. O'Kelly, 2002
• Ulvella monostromatica P. Dangeard, 1965 accepted as Stromatella monostromatica (P.J.L. Dangeard) Kornmann & Sahling, 1985
• Ulvella nadsonii (Rochlina) Gallardo, Gómez Garreta, Ribera, Cormaci, Furnari, Giaccone & Boudouresque, 1993
• Ulvella papillosa P.J.L. Dangeard, 1965 accepted as Stromatella papillosa (P.J.L. Dangeard) Kornmann & Sahling, 1985
• Ulvella peltata P.J.L. Dangeard, 1953
• Ulvella perfurcata Kraft, 2007
• Ulvella prostrata N.L. Gardner, 1909
• Ulvella protuberans P.J.L. Dangeard, 1961
• Ulvella pseudosetchellii P.J.L. Dangeard, 1969
• Ulvella setchellii P.J.L. Dangeard, 1931
• Ulvella stellata P. Dangeard, 1965
• Ulvella virescens Bory de Saint-Vincent accepted as Synura virescens (Bory de Saint-Vincent) Playfair
• Ulvellaceae Schmidle, 1899