| Nominal Species (n = 19) | Present allocation (n = 19) | Ref. |
|---|---|---|
| Alcyonidium albidum Alder, 1857 | Alcyonidium albidum | 19 |
| Bockiella angusta Silén, 1942 | Bockiella angusta | 3477 |
| Bockiella arcatumida Hirose, 2022 | Bockiella arcatumida | 3477 |
| Alcyonidium australe d'Hondt & Moyano, 1979 | Alcyonidium australe | 1202 |
| Alcyonidium clavum Hirose, 2022 | Alcyonidium clavum | 3477 |
| Alcyonidium diaphanum Lamouroux, 1813 | Alcyonidium diaphanum | 19 |
| Alcyonidium disciforme Smitt, 1872 | Alcyonidium disciforme | 19 |
| Alcyonidium excavatum Hincks, 1880 | Alcyonidium excavatum | 19 |
| Alcyonium gelatinosum Linnaeus, 1767 | Alcyonidium gelatinosum | 75097 |
| Lobiancopora hyalina Pergens, 1889 | Lobiancopora hyalina | 3477 |
| Alcyonidium irregulare Kluge, 1962 | Alcyonidium irregulare | 19 |
| Alcyonidium kermadecense Gordon, 1984 | Alcyonidium kermadecense | 19 |
| Alcyonidium mamillatum Alder, 1857 | Alcyonidium mamillatum | 19 |
| Alcyonidium mytili Dalyell, 1847 | Alcyonidioides mytili | 19 |
| Alcyonidium proboscideum Kluge, 1962 | Alcyonidium proboscideum | 19 |
| Alcyonidium radicellatum Kluge, 1946 | Alcyonidium radicellatum | 19 |
| Alcyonidium variegatum Prouho, 1892 | Alcyonidium variegatum | 3477 |
| Alcyonidium vermiculare Okada, 1925 | Alcyonidium vermiculare | 19 |
| Alcyonidium verrilli Osburn | Alcyonidium verrilli | 19 |