| Nominal Species (n = 17) | Present allocation (n = 15) | Ref. |
|---|---|---|
| Bowerbankia arctica Busk, 1880 | Bowerbankia arctica | 19 |
| Bowerbankia composita Kluge, 1955 | Bowerbankia composita | 19 |
| Amathia convoluta Lamouroux, 1816 | Amathia convoluta | 19 |
| Amathia distans Busk, 1886 | Amathia distans | 19 |
| Bowerbankia francorum Jullien, 1888 | Bowerbankia francorum | 1202 |
| Bowerbankia gracilis Leidy, 1855 | Amathia gracilis | 19 |
| Amathia guernseii Chimonides, 1987 | Amathia guernseii | 19 |
| Bowerbankia hahni Jullien, 1888 | Bowerbankia hahni | 1202 |
| Amathia intermedis Chimonides, 1987 | Amathia intermedis | 19 |
| Bowerbankia minutissima Jullien, 1888 | Bowerbankia minutissima | 1202 |
| Zoobotryon pellucidus Ehrenberg, 1831 | Amathia verticillata | 874 |
| Amathia pruvoti Calvet, 1911 | Amathia pruvoti | 19 |
| Vesicularia pustulosa Ellis & Solander, 1786 | Bowerbankia pustulosa | 75097 |
| Amathia semiconvoluta Lamouroux, 1824 | Amathia semiconvoluta | 3477 |
| Hydra verticillata Delle Chiaje, 1822 | Amathia verticillata | 874 |
| Amathia vidovici Heller, 1867 | Amathia vidovici | 19 |
| Valkeria vidovici Heller, 1867 | Amathia vidovici | 874 |