| Scientific Name | Author | English Name |
|---|---|---|
| Semicassis whitworthi | (Abbott, 1968) | |
| Semicassis sophia | (Brazier, 1872) | |
| Semicassis undulata | (Gmelin, 1791) | |
| Semicassis royana | (Iredale, 1914) | |
| Semicassis saburon | (Bruguière, 1792) | |
| Semicassis labiata | (Carcelles, 1953) | |
| Semicassis pyrum | (Lamarck, 1822) | Helmet shell |
| Semicassis granulata | (Born, 1778) | Scotch bonnet |
| Semicassis glabrata | (Dunker, 1852) | |
| Semicassis cicatricosa | (Gmelin, 1791) | |
| Semicassis faurotis | (Jousseaume, 1888) | Faurot's bonnet |
| Semicassis bulla | Habe, 1961 | |
| Semicassis bisulcata | Schubert & Wagner, 1829 | Globular helmet shell |
| Sconsia striata | (Lamarck, 1816) | Royal bonnet |
| Sconsia grayi | Adams, 1855 | |
| Sconsia nephele | Bayer, 1971 | |
| Sconsia alexarthuri | Parth, 1994 | |
| Phalium carnosum | (Kuroda & Habe, 1961) | |
| Phalium coronadoi | (Crosse, 1867) | Coronado bonnet |
| Phalium decussatum | (Linnaeus, 1758) | Decussate bonnet |
| Phalium flammiferum | (Röding, 1798) | |
| Phalium glaucum | (Linnaeus, 1758) | Grey bonnet |
| Phalium muangmani | Raybaudi & Prati-Musetti, 1995 | |
| Phalium bandatum | (Perry, 1811) | Banded bonnet |
| Phalium areola | (Linnaeus, 1758) | Checkerboard bonnet |
| Oocorys verrillii | (Dall, 1889) | |
| Oocorys sulcata | Fischer, 1883 | Sulcate false-tun |
| Oocorys clericus | Quinn, 1980 | |
| Oocorys caribbaea | Clench & Aguayo, 1939 | |
| Oocorys bartschi | Rehder, 1943 | Giant false-tun |
| Oocorys barbouri | Clench & Aguayo, 1939 | |
| Oocorys abyssorum | (Verrill & Smith, 1884) | |
| Morum kurzi | Petuch, 1979 | |
| Morum joelgreenei | Emerson, 1981 | |
| Morum exquisitum | (Adams & Reeve, 1848) | |
| Morum cancellatum | (Sowerby, 1824) | Cancellate morum |
| Morum celinamarumai | Kosuge, 1981 | |
| Galeodea echinophorella | Hirase, 1936 | |
| Galeodea rugosa | (Linnaeus, 1771) | Rugose bonnet |
| Galeodea leucodoma | Dali, 1907 | |
| Galeodea bituminata | (Martin, 1933) | |
| Galeodea echinophora | (Linnaeus, 1758) | |
| Galeodea alcocki | (Smith, 1906) | |
| Eucorys bartschi | (Rehder, 1943) | |
| Eucorys barbouri | (Clench & Aguayo, 1939) | |
| Echinophoria wyvillei | (Watson, 1886) | |
| Echinophoria kurodai | Abbott, 1968 | |
| Echinophoria coronadoi | (Crosse, 1867) | |
| Echinophoria hadra | (Woodring & Olsson, 1957) | |
| Echinophoria carnosa | Kuroda & Habe, 1961 | |
| Cypraecassis testiculus | (Linnaeus, 1758) | Reticulate cowrie-helmet |
| Cypraecassis rufa | (Linnaeus, 1758) | Bullmouth helmet |
| Cypraeacassis rufa | (Linnaeus, 1758) | Bull mouth helmet |
| Cassis tuberosa | (Linnaeus, 1758) | King helmet |
| Cassis tessellata | (Gmelin, 1791) | Tessellate helmet |
| Cassis madagascariensis | Lamarck, 1822 | Emperor helmet |
| Cassis flammea | (Linnaeus, 1758) | Flame helmet |
| Cassis cornuta | (Linnaeus, 1758) | Horned helmet |
| Casmaria nipponensis | (Abbott, 1968) | |
| Casmaria perryi | (Iredale, 1912) | |
| Casmaria ponderosa | (Gmelin, 1791) | Atlantic casmaria |
| Casmaria kalosmodix | (Melvill, 1883) | |
| Casmaria atlantica | Clench, 1944 | Atlantic bonnet |
| Casmaria erinaceus | (Linnaeus, 1758) | Vibex bonnet |