| Nominal Species (n = 29) | Present allocation (n = 24) | Ref. |
|---|---|---|
| Malletia abyssopolaris Clarke, 1960 | Malletia abyssopolaris | 19 |
| Malletia abyssorum Verrill & Bush, 1898 | Malletia abyssorum | 19 |
| Sarepta abyssycola Smith, 1885 | Clencharia abyssycola | 3477 |
| Malletia angulata Sowerby, 1888 | Malletia angulata | 75831 |
| Neilo annectens Powell, 1931 | Neilo annectens | 8121 |
| Malletia bermudensis Haas, 1949 | Malletia bermudensis | 83435 |
| Neilo blacki Marshall, 1978 | Neilo blacki | 8121 |
| Malletia chilensis Desmoulins, 1832 | Malletia chilensis | 83435 |
| Malletia cuneata Jeffreys, 1876 | Katadesmia cuneata | 3477 |
| Neilo delli Marshall, 1978 | Neilo delli | 3477 |
| Malletia dunkeri Smith, 1885 | Malletia dunkeri | 75831 |
| Malletia faba Dall, 1897 | Malletia faba | 19 |
| Malletia galatheae Knudsen, 1970 | Malletia galatheae | 8121 |
| Solenella gigantea Smith, 1875 | Malletia gigantea | 88799 |
| Malletia humilior Prashad, 1932 | Malletia humilior | 75831 |
| Malletia inequalis Dall, 1908 | Malletia chilensis | 3477 |
| Malletia johnsoni Clark, 1961 | Malletia johnsoni | 19 |
| Malletia magellanica Smith, 1881 | Malletia magellanica | 83435 |
| Solenella norrisii Sowerby I, 1833 | Malletia chilensis | 3477 |
| Solenella norrisii var. brevior Hanley, 1860 | Malletia chilensis | 3477 |
| Ctenoconcha nuculoides Valenciennes, 1846 | Malletia chilensis | 3477 |
| Malletia obtusa Sars, 1878 | Malletia obtusa | 83435 |
| Malletia pacifica Dall, 1897 | Malletia pacifica | 19 |
| Malletia pallida Smith, 1885 | Katadesmia pallida | 3477 |
| Malletia pellucida Thiele, 1912 | Malletia pellucida | 3477 |
| Malletia polita Verrill & Bush, 1898 | Malletia polita | 19 |
| Saturnia subovata Verrill & Bush, 1897 | Saturnia subovata | 19 |
| Malletia veneriformis Smith, 1885 | Malletia veneriformis | 83435 |
| Neilo wairoana delli Marshall, 1978 | Neilo delli | 3477 |