| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Evarne hubrechti | 64776 | McIntosh, 1885 | | ITIS | invalid | junior synonym of Lagisca hubrechti | Species |
| Lagisca aequespina | 64764 | Langerhans, 1884 | | ITIS | valid | | Species |
| Lagisca elytrophora | 64765 | Horst, 1915 | | ITIS | valid | | Species |
| Lagisca extenuata | 64757 | (Grube, 1840) | | ITIS | valid | | Species |
| Lagisca flaccida | 64766 | Potts, 1910 | | ITIS | valid | | Species |
| Lagisca floccosa | 64767 | (Savigny, 1818) | | ITIS | valid | | Species |
| Lagisca hexactinellidae | 64774 | McIntosh, 1885 | | ITIS | valid | | Species |
| Lagisca hubrechti | 64775 | (Mcintosh, 1885) | | ITIS | valid | | Species |
| Lagisca impatiens | 64777 | Webster, 1879 | | ITIS | valid | | Species |
| Lagisca moseleyi | 64778 | McIntosh, 1885 | | ITIS | valid | | Species |
| Lagisca multisetosa | 64761 | Moore, 1902 | | ITIS | valid | | Species |
| Lagisca rarispina | 64779 | (Sars, 1861) | | ITIS | valid | | Species |
| Polynoe extenuata | 64758 | Grube, 1840 | | ITIS | invalid | junior synonym of Lagisca extenuata | Species |
| Polynoe floccosa | 64768 | Savigny, 1818 | | ITIS | invalid | junior synonym of Lagisca floccosa | Species |
| Polynoe propinqua abyssorum | 64769 | Roule, 1896 | | ITIS | invalid | junior synonym of Lagisca floccosa | Subspecies |
| Polynoe rarispina | 64780 | Sars, 1861 | | ITIS | invalid | junior synonym of Lagisca rarispina | Species |
| Polynoe rarispina occidentalis | 64781 | McIntosh, 1874 | | ITIS | invalid | junior synonym of Lagisca rarispina | Subspecies |
