| Murex rubidus subsp. sallasi Rehder & Abbott, 1951 |
| Murex salebrosus King & Broderip, 1832 |
| Murex salmo W. Wood, 1828 |
| Murex sanguineus W. Wood, 1828 |
| Murex tampaensis Conrad, 1846 |
| Murex tulipa Linnaeus, 1758 |
| Murexiella Clench & Pérez-Farfante, 1945 |
| Murexiella glypta (M. Smith, 1938) |
| Murexiella hidalgoi (Crosse, 1869) |
| Murexiella lappa (Broderip, 1832) |
| Murexiella levicula (Dall, 1889) |
| Murexiella macgintyi (M. Smith, 1938) |
| Murexsul Iredale, 1915 |
| Murexsul emipowlusi (Abbott, 1954) |
| Murexsul oxytatus (M. Smith, 1938) |
| Muricanthus Swainson, 1840 |
| Muricanthus nigritus (Philippi, 1845) |
| Muricanthus princeps (Broderip, 1832) |
| Muricanthus radix (Gmelin, 1791) |
| Muricidae Rafinesque, 1815 |