Phylum: | MOLLUSCA | |
Classe: | GASTROPODA | Cuvier, 1797 |
Ordine: | MESOGASTROPODA | Thiele, 1925 |
Superfamiglia: | TONNOIDEA | Peile, 1926 |
Tonnidae | Suter, 1913 | Ficidae | Meek, 1864 |
Cassididae | Swainson, 1832 | Ranellidae | Gray, 1854 |
Personidae | Bursidae | Thiele, 1925 | |
Oocorythidae | Fischer P., 1883 |