- Arcularia crassa (R.A.Philippi, 1849)

- Buccinum crassum Koch, 1849

- Buccinum crassum R.A.Philippi, 1849

- Nassa crassa (R.A.Philippi, 1849)

- Nassa percrassa Giner Mari, 1934

- Nassa semisulcata Hombron & Jacquinot, 1848

- Nassa semisulcata Rousseau, 1854

- Nassarius crassus (R.A.Philippi, 1849)

- Niotha semisulcata (Hombron & Jacquinot, 1848)

- Niotha semisulcata (Roussean, 1854)

- Phrontis crassus (R.A.Philippi, 1849)