| Stramonita Schumacher, 1817 |
| Stramonita biserialis (Blainville, 1832) |
| Stramonita canaliculata (Gray, 1839) |
| Stramonita floridana (Conrad, 1837) |
| Stramonita haemastoma (Linnaeus, 1767) |
| Stramonita haemastoma subsp. floridana (Conrad, 1837) |
| Stramonita rustica (Lamarck, 1822) |
| Thais Röding, 1798 |
| Thais (Thaisella) Clench, 1947 |
| Thais (Thaisella) kiosquiformis (Duclos, 1832) |
| Thais (Vasula) Mörch, 1860 |
| Thais (Vasula) melones (Duclos, 1832) |
| Thais deltoidea (Lamarck, 1822) |
| Thais floridana (Conrad, 1837) |
| Thais haemastoma (Linnaeus, 1767) |
| Thais haemastoma subsp. canaliculata (Gray, 1839) |
| Thais kiosquiformis (Duclos, 1832) |
| Thais rustica (Lamarck, 1822) |
| Thais speciosa (Valenciennes, 1832) |
| Thais triangularis (Blainville, 1832) |