| Nominal Species (n = 20) | Present allocation (n = 20) | Ref. |
|---|---|---|
| Flustra angusta Kluge, 1914 | Isosecuriflustra angusta | 86525 |
| Flustra arnaudi Androsova, 1972 | Flustra arnaudi | 90015 |
| Flustra astrovae Androsova, 1972 | Flustra astrovae | 87764 |
| Austroflustra australis López Gappa, 1982 | Austroflustra australis | 1202 |
| Flustra barleei Busk, 1860 | Flustra barleei | 19 |
| Flustra carbasea Ellis & Solander, 1786 | Carbasea carbasea | 3477 |
| Flustra curva Kluge, 1914 | Carbasea curva | 87765 |
| Carbasea desbruyeresi d'Hondt & Redier, 1977 | Carbasea desbruyeresi | 3477 |
| Carbasea elegans Busk, 1852 | Carbasea elegans | 1202 |
| Flustra flagellata Waters, 1904 | Nematoflustra flagellata | 87766 |
| Austroflustra gerlachi López Gappa, 1982 | Austroflustra gerlachi | 1202 |
| Membranipora gregaria Heller, 1867 | Gregarinidra gregaria | 75097 |
| Flustra membranaceo-truncata Smitt, 1868 | Terminoflustra membranaceo-truncata | 75097 |
| Flustra nordenskjoldi Kluge, 1929 | Flustra nordenskjoldi | 19 |
| Chartella notialis Hayward & Winston, 1994 | Chartella notialis | 1202 |
| Carbasea ovoidea Busk, 1852 | Carbasea ovoidea | 1202 |
| Membranipora serrata Macgillivray, 1869 | Gregarinidra serrata | 75097 |
| Flustra serrulata Busk, 1880 | Flustra serrulata | 19 |
| Flustra tenuis Kluge, 1914 | Isosecuriflustra tenuis | 86525 |
| Flustra vulgaris Kluge, 1914 | Austroflustra vulgaris | 87767 |