| Phylum: | MOLLUSCA | |
| Classe: | GASTROPODA | Cuvier, 1797 |
| Ordine: | MESOGASTROPODA | Thiele, 1925 |
| Superfamiglia: | EPITONIOIDEA | Berry, S.S., 1910 |
| Famiglia: | Epitoniidae | Berry, 1910 |
| Epitonium | Roeding, 1798 | Acirsa | Mörch, 1957 |
| Acrilloscala | Sacco, 1891 | Amaea | Adams H. & A., 1853 |
| Cirsotrema | Mörch, 1857 | Clathroscala | (Brocchi, 1814) |
| Opalia | Adams H. & A., 1853 | Turriscala | De Boury, 1890 |
| Opaliopsis | Thiele, 1928 | Eccliseogyra | Dall, 1892 |