| Dipolydora socialis (Schmarda, 1861) |
| Dispio Hartman, 1951 |
| Dispio glabrilamellata Blake & Kudenov, 1978 |
| Dispio uncinata Hartman, 1951 |
| Laonice Malmgren, 1867 |
| Laonice bassensis Blake & Kudenov, 1978 |
| Laonice cirrata (Sars, 1851) |
| Laonice japonica (Moore, 1907) |
| Laonice pugettensis Banse & Hobson, 1968 |
| Laubieriellus Maciolek, 1981 |
| Laubieriellus grasslei Maciolek, 1981 |
| Leucodore G. Johnston, 1838 |
| Leucodore ciliatus G. Johnston, 1838 |
| Leucodore socialis Schmarda, 1861 |
| Lindaspio Blake & Maciolek, 1992 |
| Lindaspio dibranchiata Blake & Maciolek, 1992 |
| Malacoceros de Quatrefages, 1843 |
| Malacoceros (Malacoceros) de Quatrefages, 1843 |
| Malacoceros (Malacoceros) indicus (Fauvel, 1928) |
| Malacoceros (Rhynchospio) Hartman, 1936 |