| Phylum: | MOLLUSCA | |
| Classe: | GASTROPODA | Cuvier, 1797 |
| Ordine: | MESOGASTROPODA | Thiele, 1925 |
| Superfamiglia: | EPITONIOIDEA | Berry, S.S., 1910 |
| Epitoniidae | Berry, 1910 | Janthinidae | Leach, 1823 |
| Aclididae | Sars G.O., 1878 | Melanellidae | Bartsch, 1917 |
| Stiliferidae | Adams H. & A., 1853 |