• Megayoldia thraciaeformis (Storer, 1838)
• Microgloma guilonardi (D. F. Hoeksema, 1993)
• Microgloma mirmidina (Dautzenberg & H. Fischer, 1897)
• Microgloma pusilla (Jeffreys, 1879)
• Microgloma tumidula (Monterosato, 1880) accepted as Microgloma pusilla (Jeffreys, 1879)
• Microgloma turnerae H. L. Sanders & J. A. Allen, 1973
• Microgloma yongei H. L. Sanders & J. A. Allen, 1973
• Portlandia (Yoldiella) subcircularis Odhner, 1960 accepted as Yoldiella subcircularis (Odhner, 1960)
• Portlandia aestuariorum (Mosevich, 1928)
• Portlandia annenkovae Gorbunov, 1946 accepted as Yoldiella annenkovae (Gorbunov, 1946)
• Portlandia arctica (J. E. Gray, 1824)
• Portlandia intermedia (M. Sars, 1865) accepted as Yoldiella intermedia (M. Sars, 1865)
• Portlandia kolthoffi Hägg, 1904 accepted as Katadesmia kolthoffi (Hägg, 1904)
• Portlandia lenticula (Møller, 1842) accepted as Yoldiella lenticula (Møller, 1842)
• Portlandia persei Messjatsev, 1931 accepted as Yoldiella propinqua (Leche, 1878)
• Portlandia philippiana (Nyst, 1845) accepted as Yoldiella philippiana (Nyst, 1845)
• Portlandia subaequilatera (Jeffreys, 1879) accepted as Yoldiella lucida (Lovén, 1846)
• Portlandia subangulata (A. E. Verrill & K. J. Bush, 1898) accepted as Yoldiella lucida (Lovén, 1846)
• Portlandia subcircularis Odhner, 1960 accepted as Yoldiella subcircularis (Odhner, 1960)
• Yoldia (Yoldiella) keenae F. J. E. Wagner, 1959 accepted as Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia abyssicola Torell, 1859 accepted as Yoldiella lenticula (Møller, 1842)
• Yoldia amygdalea (Valenciennes, 1846) accepted as Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia arctica (Gray, 1824) accepted as Portlandia arctica (J. E. Gray, 1824)
• Yoldia arctica aestuariorum Mosevich, 1928 accepted as Portlandia aestuariorum (Mosevich, 1928)
• Yoldia frigida Torell, 1859 accepted as Yoldiella frigida (Torell, 1859)
• Yoldia frigida mediterranea F. Nordsieck, 1974 accepted as Yoldiella philippiana (Nyst, 1845)
• Yoldia gardneri I. S. Oldroyd, 1935 accepted as Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia hyperborea Torell, 1859 accepted as Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia hyperborea limatuloides Ockelmann, 1954 accepted as Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia intermedia M. Sars, 1865 accepted as Yoldiella intermedia (M. Sars, 1865)
• Yoldia intermedia var. major Leche, 1878 accepted as Yoldiella intermedia (M. Sars, 1865)
• Yoldia lenticula (Møller, 1842) accepted as Yoldiella lenticula (Møller, 1842)
• Yoldia lenticula tomlini Winckworth, 1932 accepted as Yoldiella philippiana (Nyst, 1845)
• Yoldia limatula (Say, 1831)
• Yoldia lucida Lovén, 1846 accepted as Yoldiella lucida (Lovén, 1846)
• Yoldia microscopica Monterosato, 1878 accepted as Microgloma pusilla (Jeffreys, 1879)
• Yoldia minima G. Seguenza, 1877 accepted as Pristigloma minima (G. Seguenza, 1877)
• Yoldia myalis (Couthouy, 1838)
• Yoldia nana M. Sars, 1865 accepted as Yoldiella nana (M. Sars, 1865)
• Yoldia norvegica Dautzenberg & H. Fischer, 1912 accepted as Yoldia hyperborea (A. A. Gould, 1841)
• Yoldia obtusa G. O. Sars, 1872 accepted as Pseudomalletia pianii van Aartsen & Giannuzzi-Savelli, 1991 accepted as Malletia pianii (van Aartsen & Giannuzzi-Savelli, 1991)
• Yoldia producta Monterosato, 1880 accepted as Yoldiella striolata (Brugnone, 1876)
• Yoldia propinqua Leche, 1878 accepted as Yoldiella propinqua (Leche, 1878)
• Yoldia pygmaea (Münster, 1837) † accepted as Yoldiella pygmaea (Münster, 1837) †
• Yoldia pygmaea var. symmetrica Friele, 1878 accepted as Yoldiella propinqua (Leche, 1878)
• Yoldia sapotilla (A. A. Gould, 1841)
• Yoldia striolata Brugnone, 1876 accepted as Yoldiella striolata (Brugnone, 1876)
• Yoldia thraciaeformis (Storer, 1838) accepted as Megayoldia thraciaeformis (Storer, 1838)
• Yoldiella alluaudi (Dautzenberg & H. Fischer, 1897)
• Yoldiella annenkovae (Gorbunov, 1946)
• Yoldiella bernardi (Dautzenberg & H. Fischer, 1897) accepted as Ledella bernardi (Dautzenberg & H. Fischer, 1897)
• Yoldiella biscayensis J. A. Allen, H. L. Sanders & F. Hannah, 1995
• Yoldiella cadizensis L. Hoffman, van Heugten & Lavaleye, 2009
• Yoldiella curta A. E. Verrill & K. J. Bush, 1898
• Yoldiella dautzenbergi La Perna, 2008
• Yoldiella dissimilis A. E. Verrill & K. J. Bush, 1898
• Yoldiella ella J. A. Allen, H. L. Sanders & F. Hannah, 1995
• Yoldiella expansa (Jeffreys, 1876)
• Yoldiella fabula J. A. Allen, H. L. Sanders & F. Hannah, 1995
• Yoldiella folini Warén, 1978
• Yoldiella frami Knudsen, 1985
• Yoldiella fraterna A. E. Verrill & K. J. Bush, 1898 accepted as Yoldiella nana (M. Sars, 1865)
• Yoldiella frigida (Torell, 1859)
• Yoldiella frigida mediterranea F. Nordsieck, 1974 accepted as Yoldiella philippiana (Nyst, 1845)
• Yoldiella incala J. A. Allen, H. L. Sanders & F. Hannah, 1995
• Yoldiella inconspicua A. E. Verrill & K. J. Bush, 1898
• Yoldiella inflata A. E. Verrill & K. J. Bush, 1897 accepted as Yoldiella lucida (Lovén, 1846)
• Yoldiella insculpta (Jeffreys, 1879)
• Yoldiella intermedia (M. Sars, 1865)
• Yoldiella iris A. E. Verrill & K. J. Bush, 1897 accepted as Yoldiella lucida (Lovén, 1846)
• Yoldiella jeffreysi (Hidalgo, 1877)
• Yoldiella lenticula (Møller, 1842)
• Yoldiella lenticula tomlini Winckworth, 1932 accepted as Yoldiella philippiana (Nyst, 1845)
• Yoldiella lenticula var. amblia A. E. Verrill & K. J. Bush, 1898 accepted as Yoldiella lenticula (Møller, 1842)
• Yoldiella lucida (Lovén, 1846)
• Yoldiella messanensis (Jeffreys, 1870) accepted as Ledella messanensis (Jeffreys, 1870)
• Yoldiella minuscula A. E. Verrill & K. J. Bush, 1898 accepted as Yoldiella curta A. E. Verrill & K. J. Bush, 1898
• Yoldiella mirmidina (Dautzenberg & Fischer, 1897) accepted as Microgloma mirmidina (Dautzenberg & H. Fischer, 1897)
• Yoldiella nana (M. Sars, 1865)
• Yoldiella obesa (W. Stimpson, 1851) accepted as Yoldiella lucida (Lovén, 1846)
• Yoldiella obesa incala J. A. Allen, H. L. Sanders & F. Hannah, 1995 accepted as Yoldiella incala J. A. Allen, H. L. Sanders & F. Hannah, 1995
• Yoldiella ovulum La Perna, 2004
• Yoldiella philippiana (Nyst, 1845)
• Yoldiella propinqua (Leche, 1878)
• Yoldiella pustulosa (Jeffreys, 1876) accepted as Ledella pustulosa (Jeffreys, 1876)
• Yoldiella pygmaea (Münster, 1837) †
• Yoldiella seguenzae Bonfitto & Sabelli, 1995 accepted as Yoldiella striolata (Brugnone, 1876)
• Yoldiella semistriata (Jeffreys, 1879)
• Yoldiella solidula Warén, 1989
• Yoldiella striolata (Brugnone, 1876)
• Yoldiella subaequilatera (Jeffreys, 1879) accepted as Yoldiella lucida (Lovén, 1846)
• Yoldiella subangulata A. E. Verrill & K. J. Bush, 1898 accepted as Yoldiella lucida (Lovén, 1846)
• Yoldiella subcircularis (Odhner, 1960)
• Yoldiella tamara (Gorbunov, 1946)
• Yoldiella tenuis (R. A. Philippi, 1836) accepted as Yoldiella philippiana (Nyst, 1845)
• Yoldiella thaerella Killeen & J. A. Turner, 2009
• Yoldiella valorousae Killeen & J. A. Turner, 2009
• Yoldiella veletta J. A. Allen, H. L. Sanders & F. Hannah, 1995
• Yoldiella wareni La Perna, 2004