| Nominal Species (n = 10) | Present allocation (n = 9) | Ref. |
|---|---|---|
| Leucascus clavatus Dendy, 1892 | Leucascus clavatus | 19 |
| Ascoleucetta compressa Dendy & Frederick, 1924 | Ascoleucetta compressa | 19 |
| Leucascus digitiformis Klautau, Lopes, Guarabyra, Folcher, Ekins & Debitus, 2020 | Leucascus digitiformis | 3477 |
| Leucosolenia lamarcki Haeckel, 1869 | Ascaltis lamarcki | 3477 |
| Leucosolenia lamarckii Haeckel, 1869 | Ascaltis lamarcki | 897 |
| Leucascus lobatus Rapp, 2004 | Leucascus lobatus | 3477 |
| Leucascus neocaledonicus Borojevic & Klautau, 2000 | Leucascus neocaledonicus | 3477 |
| Leucascus schleyeri Van Soest & De Voogd, 2018 | Leucascus schleyeri | 3477 |
| Leucascus simplex Dendy, 1892 | Leucascus simplex | 19 |
| Leucascus tenuispinae Klautau, Lopes, Tavares & Pérez, 2021 | Leucascus tenuispinae | 3477 |