| Nominal Species (n = 68) | Present allocation (n = 60) | Ref. |
|---|---|---|
| Nucula aeolica Valenciennes, 1846 | Yoldia aeolica | 3477 |
| Yoldiella americana Allen, Sanders & Hannah, 1995 | Yoldiella americana | 83435 |
| Yoldia amygdalea Valenciennes, 1846 | Yoldia hyperborea | 19 |
| Yoldiella antarctica Thiele, 1912 | Yoldiella antarctica | 3477 |
| Nucula arctica Gray, 1824 | Portlandia arctica | 83435 |
| Yoldiella argentinensis Allen, Sanders & Hannah, 1995 | Yoldiella argentinensis | 83435 |
| Yoldia beringiana Dall, 1916 | Yoldia beringiana | 19 |
| Yoldiella biguttata Allen, Sanders & Hannah, 1995 | Yoldiella biguttata | 83435 |
| Yoldiella blanda Allen, Sanders & Hannah, 1995 | Yoldiella blanda | 83435 |
| Yoldia callista Bush, 1893 | Yoldia callista | 83435 |
| Yoldia cascoensis Mighels & Adams, 1844 | Yoldia myalis | 75097 |
| Yoldia casta Verrill & Bush, 1898 | Yoldia casta | 83435 |
| Yoldia chilenica Dall, 1908 | Yoldiella chilenica | 3477 |
| Yoldia cooperii Gabb, 1865 | Yoldia cooperii | 19 |
| Yoldiella curta Verrill & Bush, 1898 | Yoldiella curta | 19 |
| Portlandia dalli Krause, 1885 | Portlandia dalli | 19 |
| Leda ecaudata Pelseneer, 1903 | Yoldiella ecaudata | 83435 |
| Yoldiella ecaudata Pelseneer, 1903 | Yoldiella ecaudata | 3477 |
| Yoldiella ella Allen, Sanders & Hannah, 1995 | Yoldiella ella | 83435 |
| Yoldiella enata Allen, Sanders & Hannah, 1995 | Yoldiella enata | 83435 |
| Yoldia ensifera Dall, 1897 | Yoldia aeolica | 75097 |
| Yoldiella extensa Allen, Sanders & Hannah, 1995 | Yoldiella extensa | 83435 |
| Yoldiella fabula Allen, Sanders & Hannah, 1995 | Yoldiella fabula | 83435 |
| Yoldiella frami Knudsen, 1985 | Yoldiella frami | 3477 |
| Yoldiella fraterna Verrill & Bush, 1898 | Yoldiella nana | 3477 |
| Yoldia glauca Kuroda & Habe, 1961 | Yoldia glauca | 75831 |
| Nucula hyperborea Gould, 1841 | Yoldia hyperborea | 3477 |
| Yoldiella incala Allen, Sanders & Hannah, 1995 | Yoldiella incala | 83435 |
| Yoldia inconspicua Verrill & Bush, 1898 | Yoldiella inconspicua | 75097 |
| Yoldia iris Verrill & Bush, 1897 | Yoldiella iris | 75097 |
| Yoldia isonota Martens, 1881 | Portlandia isonota | 3477 |
| Yoldia keppeliana Sowerby, 1904 | Yoldia keppeliana | 75831 |
| Nucula lenticula Möller, 1842 | Yoldiella lenticula | 83435 |
| Yoldia lepidula Adams, 1856 | Yoldia lepidula | 75831 |
| Ledella librata Dell, 1952 | Yoldiella librata | 3477 |
| Yoldia liorhina Dall, 1881 | Yoldia liorhina | 8163 |
| Yoldia lischkei Smith 1885 | Yoldia lischkei | 75831 |
| Yoldia lucida Loven, 1846 | Yoldiella lucida | 75097 |
| Yoldia martyria Dall, 1897 | Yoldia martyria | 19 |
| Yoldia minima Seguenza, 1877 | Yoldia minima | 3477 |
| Yoldiella minuscula Verrill & Bush, 1897 | Portlandia minuscula | 83435 |
| Yoldia montereyensis Dall, 1893 | Megayoldia montereyensis | 75097 |
| Yoldia nana Sars, 1865 | Yoldiella nana | 3477 |
| Yoldia notobilis Yokoyama, 1922 | Yoldia notobilis | 75831 |
| Leda obesa Stimpson, 1851 | Yoldiella obesa | 83435 |
| Leda oblonga Pelseneer, 1903 | Yoldiella oblonga | 83435 |
| Yoldiella oblonga Pelseneer, 1898 | Yoldiella oblonga | 3477 |
| Yoldia orcia Dall, 1916 | Yoldiella orcia | 3477 |
| Yoldiella ovulum La Perna, 2004 | Yoldiella ovulum | 3477 |
| Yoldia plena Dall, 1908 | Yoldia aeolica | 75097 |
| Yoldia profundorum Melvill & Standen, 1912 | Yoldiella profundorum | 83435 |
| Yoldia regularis Verrill, 1884 | Yoldia regularis | 19 |
| Yoldia riograndensis Esteves, 1984 | Yoldia riograndensis | 83435 |
| Yoldiella robusta Allen, Sanders & Hannah, 1995 | Yoldiella robusta | 83435 |
| Malletia sabrina Hedley, 1916 | Yoldiella sabrina | 3477 |
| Yoldia sanesia Dall, 1916 | Yoldiella orcia | 3477 |
| Yoldia scissurata Dall, 1897 | Yoldia aeolica | 19 |
| Yoldia secunda Dall, 1916 | Yoldia secunda | 19 |
| Yoldia seminuda Dall, 1871 | Yoldia seminuda | 19 |
| Yoldiella similiris Allen, Sanders & Hannah, 1995 | Yoldiella similiris | 83435 |
| Yoldia similis Kuroda & Habe, 1958 | Yoldia similis | 8246 |
| Yoldia solenoides Dall, 1881 | Yoldia solenoides | 19 |
| Yoldiella solidula Warén, 1989 | Yoldiella solidula | 83435 |
| Yoldia subangulata Verrill & Bush, 1898 | Yoldiella subangulata | 75097 |
| Ledella tamara Gorbunov, 1946 | Yoldiella tamara | 3477 |
| Nucula thraciaeformis Storer, 1838 | Megayoldia thraciaeformis | 83435 |
| Yoldia tropica Melvill, 1897 | Scissileda tropica | 3477 |
| Yoldiella wareni La Perna, 2004 | Yoldiella wareni | 3477 |